feat: implement task group actions

- allow sorting specifc task groups
- duplicate task group
- delete all tasks in task group

frontend/src/Projects/Project/Board/SortPopup.tsx

@@ -1,6 +1,6 @@
 import React, { useState } from 'react';
 import styled from 'styled-components';
-import { TaskSorting, TaskSortingType, TaskSortingDirection } from 'shared/components/Lists';
+import { TaskSorting, TaskSortingType, TaskSortingDirection } from 'shared/utils/sorting';
 
 export const ActionsList = styled.ul`
   margin: 0;

frontend/src/Projects/Project/Board/index.tsx

@@ -8,6 +8,7 @@ import {
   useSetTaskCompleteMutation,
   useToggleTaskLabelMutation,
   useFindProjectQuery,
+  useSortTaskGroupMutation,
   useUpdateTaskGroupNameMutation,
   useUpdateTaskNameMutation,
   useCreateTaskMutation,
@@ -21,6 +22,10 @@ import {
   useUnassignTaskMutation,
   useUpdateTaskDueDateMutation,
   FindProjectQuery,
+  useDuplicateTaskGroupMutation,
+  DuplicateTaskGroupMutation,
+  DuplicateTaskGroupDocument,
+  useDeleteTaskGroupTasksMutation,
 } from 'shared/generated/graphql';
 
 import QuickCardEditor from 'shared/components/QuickCardEditor';
@@ -33,10 +38,8 @@ import SimpleLists, {
   TaskMeta,
   TaskMetaMatch,
   TaskMetaFilters,
-  TaskSorting,
-  TaskSortingType,
-  TaskSortingDirection,
 } from 'shared/components/Lists';
+import { TaskSorting, TaskSortingType, TaskSortingDirection, sortTasks } from 'shared/utils/sorting';
 import produce from 'immer';
 import MiniProfile from 'shared/components/MiniProfile';
 import DueDateManager from 'shared/components/DueDateManager';
@@ -44,6 +47,7 @@ import EmptyBoard from 'shared/components/EmptyBoard';
 import NOOP from 'shared/utils/noop';
 import LabelManagerEditor from 'Projects/Project/LabelManagerEditor';
 import Chip from 'shared/components/Chip';
+import { toast } from 'react-toastify';
 import { useCurrentUser } from 'App/context';
 import FilterStatus from './FilterStatus';
 import FilterMeta from './FilterMeta';
@@ -263,6 +267,11 @@ const ProjectBoard: React.FC<ProjectBoardProps> = ({ projectID, onCardLabelClick
   const [taskMetaFilters, setTaskMetaFilters] = useState(initTaskMetaFilters);
   const [taskSorting, setTaskSorting] = useState(initTaskSorting);
   const history = useHistory();
+  const [sortTaskGroup] = useSortTaskGroupMutation({
+    onCompleted: () => {
+      toast('List was sorted');
+    },
+  });
   const [deleteTaskGroup] = useDeleteTaskGroupMutation({
     update: (client, deletedTaskGroupData) => {
       updateApolloCache<FindProjectQuery>(
@@ -315,6 +324,36 @@ const ProjectBoard: React.FC<ProjectBoardProps> = ({ projectID, onCardLabelClick
   const { loading, data } = useFindProjectQuery({
     variables: { projectID },
   });
+  const [deleteTaskGroupTasks] = useDeleteTaskGroupTasksMutation({
+    update: (client, resp) =>
+      updateApolloCache<FindProjectQuery>(
+        client,
+        FindProjectDocument,
+        cache =>
+          produce(cache, draftCache => {
+            const idx = cache.findProject.taskGroups.findIndex(
+              t => t.id === resp.data.deleteTaskGroupTasks.taskGroupID,
+            );
+            if (idx !== -1) {
+              draftCache.findProject.taskGroups[idx].tasks = [];
+            }
+          }),
+        { projectID },
+      ),
+  });
+  const [duplicateTaskGroup] = useDuplicateTaskGroupMutation({
+    update: (client, resp) => {
+      updateApolloCache<FindProjectQuery>(
+        client,
+        FindProjectDocument,
+        cache =>
+          produce(cache, draftCache => {
+            draftCache.findProject.taskGroups.push(resp.data.duplicateTaskGroup.taskGroup);
+          }),
+        { projectID },
+      );
+    },
+  });
 
   const [updateTaskDueDate] = useUpdateTaskDueDateMutation();
   const [setTaskComplete] = useSetTaskCompleteMutation();
@@ -624,15 +663,44 @@ const ProjectBoard: React.FC<ProjectBoardProps> = ({ projectID, onCardLabelClick
           onExtraMenuOpen={(taskGroupID: string, $targetRef: any) => {
             showPopup(
               $targetRef,
-              <Popup title="List actions" tab={0} onClose={() => hidePopup()}>
               <ListActions
                 taskGroupID={taskGroupID}
+                onDeleteTaskGroupTasks={() => {
+                  deleteTaskGroupTasks({ variables: { taskGroupID } });
+                  hidePopup();
+                }}
+                onSortTaskGroup={taskSort => {
+                  const taskGroup = data.findProject.taskGroups.find(t => t.id === taskGroupID);
+                  if (taskGroup) {
+                    const tasks: Array<{ taskID: string; position: number }> = taskGroup.tasks
+                      .sort((a, b) => sortTasks(a, b, taskSort))
+                      .reduce((prevTasks: Array<{ taskID: string; position: number }>, t, idx) => {
+                        prevTasks.push({ taskID: t.id, position: (idx + 1) * 2048 });
+                        return tasks;
+                      }, []);
+                    sortTaskGroup({ variables: { taskGroupID, tasks } });
+                    hidePopup();
+                  }
+                }}
+                onDuplicateTaskGroup={newName => {
+                  const idx = data.findProject.taskGroups.findIndex(t => t.id === taskGroupID);
+                  if (idx !== -1) {
+                    const taskGroups = data.findProject.taskGroups.sort((a, b) => a.position - b.position);
+                    const prevPos = taskGroups[idx].position;
+                    const next = taskGroups[idx + 1];
+                    let newPos = prevPos * 2;
+                    if (next) {
+                      newPos = (prevPos + next.position) / 2.0;
+                    }
+                    duplicateTaskGroup({ variables: { projectID, taskGroupID, name: newName, position: newPos } });
+                    hidePopup();
+                  }
+                }}
                 onArchiveTaskGroup={tgID => {
                   deleteTaskGroup({ variables: { taskGroupID: tgID } });
                   hidePopup();
                 }}
-                />
+              />,
-              </Popup>,
             );
           }}
         />

frontend/src/shared/components/AddList/index.tsx

@@ -16,11 +16,12 @@ import {
 } from './Styles';
 
 type NameEditorProps = {
+  buttonLabel?: string;
   onSave: (listName: string) => void;
   onCancel: () => void;
 };
 
-const NameEditor: React.FC<NameEditorProps> = ({ onSave, onCancel }) => {
+export const NameEditor: React.FC<NameEditorProps> = ({ onSave: handleSave, onCancel, buttonLabel = 'Save' }) => {
   const $editorRef = useRef<HTMLTextAreaElement>(null);
   const [listName, setListName] = useState('');
   useEffect(() => {
@@ -28,6 +29,11 @@ const NameEditor: React.FC<NameEditorProps> = ({ onSave, onCancel }) => {
       $editorRef.current.focus();
     }
   });
+  const onSave = (newName: string) => {
+    if (newName.replace(/\s+/g, '') !== '') {
+      handleSave(newName);
+    }
+  };
   const onKeyDown = (e: React.KeyboardEvent) => {
     if (e.key === 'Enter') {
       e.preventDefault();
@@ -60,7 +66,7 @@ const NameEditor: React.FC<NameEditorProps> = ({ onSave, onCancel }) => {
             }
           }}
         >
-          Save
+          {buttonLabel}
         </AddListButton>
         <CancelAdd onClick={() => onCancel()}>
           <Cross width={16} height={16} />

frontend/src/shared/components/ListActions/ListActions.stories.tsx

@@ -1,18 +0,0 @@
-import React from 'react';
-import { action } from '@storybook/addon-actions';
-import ListActions from '.';
-
-export default {
-  component: ListActions,
-  title: 'ListActions',
-  parameters: {
-    backgrounds: [
-      { name: 'white', value: '#ffffff', default: true },
-      { name: 'gray', value: '#f8f8f8' },
-    ],
-  },
-};
-
-export const Default = () => {
-  return <ListActions taskGroupID="1" onArchiveTaskGroup={action('on archive task group')} />;
-};

frontend/src/shared/components/ListActions/index.tsx

@@ -1,50 +1,100 @@
 import React from 'react';
+import { usePopup, Popup } from 'shared/components/PopupMenu';
+import { NameEditor } from 'shared/components/AddList';
+import NOOP from 'shared/utils/noop';
+import styled from 'styled-components';
+import { TaskSorting, TaskSortingDirection, TaskSortingType } from 'shared/utils/sorting';
 import { InnerContent, ListActionsWrapper, ListActionItemWrapper, ListActionItem, ListSeparator } from './Styles';
 
+const CopyWrapper = styled.div`
+  margin: 0 12px;
+`;
+
 type Props = {
   taskGroupID: string;
-
+  onDuplicateTaskGroup: (newTaskGroupName: string) => void;
+  onDeleteTaskGroupTasks: () => void;
   onArchiveTaskGroup: (taskGroupID: string) => void;
+  onSortTaskGroup: (taskSorting: TaskSorting) => void;
 };
-const LabelManager: React.FC<Props> = ({ taskGroupID, onArchiveTaskGroup }) => {
+
+const LabelManager: React.FC<Props> = ({
+  taskGroupID,
+  onDeleteTaskGroupTasks,
+  onDuplicateTaskGroup,
+  onArchiveTaskGroup,
+  onSortTaskGroup,
+}) => {
+  const { setTab } = usePopup();
   return (
+    <>
+      <Popup tab={0} title={null}>
         <InnerContent>
           <ListActionsWrapper>
-        <ListActionItemWrapper>
+            <ListActionItemWrapper onClick={() => setTab(1)}>
-          <ListActionItem>Add card...</ListActionItem>
+              <ListActionItem>Duplicate</ListActionItem>
             </ListActionItemWrapper>
-        <ListActionItemWrapper>
+            <ListActionItemWrapper onClick={() => setTab(2)}>
-          <ListActionItem>Copy List...</ListActionItem>
+              <ListActionItem>Sort</ListActionItem>
-        </ListActionItemWrapper>
-        <ListActionItemWrapper>
-          <ListActionItem>Move card...</ListActionItem>
-        </ListActionItemWrapper>
-        <ListActionItemWrapper>
-          <ListActionItem>Watch</ListActionItem>
             </ListActionItemWrapper>
           </ListActionsWrapper>
           <ListSeparator />
           <ListActionsWrapper>
-        <ListActionItemWrapper>
+            <ListActionItemWrapper onClick={() => onDeleteTaskGroupTasks()}>
-          <ListActionItem>Sort By...</ListActionItem>
+              <ListActionItem>Delete All Tasks</ListActionItem>
-        </ListActionItemWrapper>
-      </ListActionsWrapper>
-      <ListSeparator />
-      <ListActionsWrapper>
-        <ListActionItemWrapper>
-          <ListActionItem>Move All Cards in This List...</ListActionItem>
-        </ListActionItemWrapper>
-        <ListActionItemWrapper>
-          <ListActionItem>Archive All Cards in This List...</ListActionItem>
             </ListActionItemWrapper>
           </ListActionsWrapper>
           <ListSeparator />
           <ListActionsWrapper>
             <ListActionItemWrapper onClick={() => onArchiveTaskGroup(taskGroupID)}>
-          <ListActionItem>Archive This List</ListActionItem>
+              <ListActionItem>Delete</ListActionItem>
             </ListActionItemWrapper>
           </ListActionsWrapper>
         </InnerContent>
+      </Popup>
+      <Popup tab={1} title="Copy list" onClose={NOOP}>
+        <CopyWrapper>
+          <NameEditor
+            onCancel={NOOP}
+            onSave={listName => {
+              onDuplicateTaskGroup(listName);
+            }}
+            buttonLabel="Duplicate"
+          />
+        </CopyWrapper>
+      </Popup>
+      <Popup tab={2} title="Sort list" onClose={NOOP}>
+        <InnerContent>
+          <ListActionsWrapper>
+            <ListActionItemWrapper
+              onClick={() => onSortTaskGroup({ type: TaskSortingType.TASK_TITLE, direction: TaskSortingDirection.ASC })}
+            >
+              <ListActionItem>Task title</ListActionItem>
+            </ListActionItemWrapper>
+            <ListActionItemWrapper
+              onClick={() => onSortTaskGroup({ type: TaskSortingType.TASK_TITLE, direction: TaskSortingDirection.ASC })}
+            >
+              <ListActionItem>Due date</ListActionItem>
+            </ListActionItemWrapper>
+            <ListActionItemWrapper
+              onClick={() => onSortTaskGroup({ type: TaskSortingType.COMPLETE, direction: TaskSortingDirection.ASC })}
+            >
+              <ListActionItem>Complete</ListActionItem>
+            </ListActionItemWrapper>
+            <ListActionItemWrapper
+              onClick={() => onSortTaskGroup({ type: TaskSortingType.LABELS, direction: TaskSortingDirection.ASC })}
+            >
+              <ListActionItem>Labels</ListActionItem>
+            </ListActionItemWrapper>
+            <ListActionItemWrapper
+              onClick={() => onSortTaskGroup({ type: TaskSortingType.MEMBERS, direction: TaskSortingDirection.ASC })}
+            >
+              <ListActionItem>Members</ListActionItem>
+            </ListActionItemWrapper>
+          </ListActionsWrapper>
+        </InnerContent>
+      </Popup>
+    </>
   );
 };
 export default LabelManager;

frontend/src/shared/components/Lists/index.tsx

@@ -11,6 +11,7 @@ import {
   getAfterDropDraggableList,
 } from 'shared/utils/draggables';
 import moment from 'moment';
+import { TaskSorting, TaskSortingType, TaskSortingDirection, sortTasks } from 'shared/utils/sorting';
 
 import { Container, BoardContainer, BoardWrapper } from './Styles';
 import shouldMetaFilter from './metaFilter';
@@ -94,127 +95,6 @@ export type TaskMetaFilters = {
   labels: Array<LabelMetaFilter>;
 };
 
-export enum TaskSortingType {
-  NONE,
-  DUE_DATE,
-  MEMBERS,
-  LABELS,
-  TASK_TITLE,
-}
-
-export enum TaskSortingDirection {
-  ASC,
-  DESC,
-}
-
-export type TaskSorting = {
-  type: TaskSortingType;
-  direction: TaskSortingDirection;
-};
-
-function sortString(a: string, b: string) {
-  if (a < b) {
-    return -1;
-  }
-  if (a > b) {
-    return 1;
-  }
-  return 0;
-}
-
-function sortTasks(a: Task, b: Task, taskSorting: TaskSorting) {
-  if (taskSorting.type === TaskSortingType.TASK_TITLE) {
-    if (a.name < b.name) {
-      return -1;
-    }
-    if (a.name > b.name) {
-      return 1;
-    }
-    return 0;
-  }
-  if (taskSorting.type === TaskSortingType.DUE_DATE) {
-    if (a.dueDate && !b.dueDate) {
-      return -1;
-    }
-    if (b.dueDate && !a.dueDate) {
-      return 1;
-    }
-    return moment(a.dueDate).diff(moment(b.dueDate));
-  }
-  if (taskSorting.type === TaskSortingType.LABELS) {
-    // sorts non-empty labels by name, then by empty label color name
-    let aLabels = [];
-    let bLabels = [];
-    let aLabelsEmpty = [];
-    let bLabelsEmpty = [];
-    if (a.labels) {
-      for (const aLabel of a.labels) {
-        if (aLabel.projectLabel.name && aLabel.projectLabel.name !== '') {
-          aLabels.push(aLabel.projectLabel.name);
-        } else {
-          aLabelsEmpty.push(aLabel.projectLabel.labelColor.name);
-        }
-      }
-    }
-    if (b.labels) {
-      for (const bLabel of b.labels) {
-        if (bLabel.projectLabel.name && bLabel.projectLabel.name !== '') {
-          bLabels.push(bLabel.projectLabel.name);
-        } else {
-          bLabelsEmpty.push(bLabel.projectLabel.labelColor.name);
-        }
-      }
-    }
-    aLabels = aLabels.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
-    bLabels = bLabels.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
-    aLabelsEmpty = aLabelsEmpty.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
-    bLabelsEmpty = bLabelsEmpty.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
-    if (aLabelsEmpty.length !== 0 || bLabelsEmpty.length !== 0) {
-      if (aLabelsEmpty.length > bLabelsEmpty.length) {
-        if (bLabels.length !== 0) {
-          return 1;
-        }
-        return -1;
-      }
-    }
-    if (aLabels.length < bLabels.length) {
-      return 1;
-    }
-    if (aLabels.length > bLabels.length) {
-      return -1;
-    }
-    return 0;
-  }
-  if (taskSorting.type === TaskSortingType.MEMBERS) {
-    let aMembers = [];
-    let bMembers = [];
-    if (a.assigned) {
-      for (const aMember of a.assigned) {
-        if (aMember.fullName) {
-          aMembers.push(aMember.fullName);
-        }
-      }
-    }
-    if (b.assigned) {
-      for (const bMember of b.assigned) {
-        if (bMember.fullName) {
-          bMembers.push(bMember.fullName);
-        }
-      }
-    }
-    aMembers = aMembers.sort((aMember, bMember) => sortString(aMember, bMember));
-    bMembers = bMembers.sort((aMember, bMember) => sortString(aMember, bMember));
-    if (aMembers.length < bMembers.length) {
-      return 1;
-    }
-    if (aMembers.length > bMembers.length) {
-      return -1;
-    }
-    return 0;
-  }
-  return 0;
-}
-
 function shouldStatusFilter(task: Task, filter: TaskStatusFilter) {
   if (filter.status === TaskStatus.ALL) {
     return true;

frontend/src/shared/generated/graphql.tsx

@@ -275,13 +275,16 @@ export type Mutation = {
   deleteTaskChecklist: DeleteTaskChecklistPayload;
   deleteTaskChecklistItem: DeleteTaskChecklistItemPayload;
   deleteTaskGroup: DeleteTaskGroupPayload;
+  deleteTaskGroupTasks: DeleteTaskGroupTasksPayload;
   deleteTeam: DeleteTeamPayload;
   deleteTeamMember: DeleteTeamMemberPayload;
   deleteUserAccount: DeleteUserAccountPayload;
+  duplicateTaskGroup: DuplicateTaskGroupPayload;
   logoutUser: Scalars['Boolean'];
   removeTaskLabel: Task;
   setTaskChecklistItemComplete: TaskChecklistItem;
   setTaskComplete: Task;
+  sortTaskGroup: SortTaskGroupPayload;
   toggleTaskLabel: ToggleTaskLabelPayload;
   unassignTask: Task;
   updateProjectLabel: ProjectLabel;
@@ -405,6 +408,11 @@ export type MutationDeleteTaskGroupArgs = {
 };
 
 
+export type MutationDeleteTaskGroupTasksArgs = {
+  input: DeleteTaskGroupTasks;
+};
+
+
 export type MutationDeleteTeamArgs = {
   input: DeleteTeam;
 };
@@ -420,6 +428,11 @@ export type MutationDeleteUserAccountArgs = {
 };
 
 
+export type MutationDuplicateTaskGroupArgs = {
+  input: DuplicateTaskGroup;
+};
+
+
 export type MutationLogoutUserArgs = {
   input: LogoutUser;
 };
@@ -440,6 +453,11 @@ export type MutationSetTaskCompleteArgs = {
 };
 
 
+export type MutationSortTaskGroupArgs = {
+  input: SortTaskGroup;
+};
+
+
 export type MutationToggleTaskLabelArgs = {
   input: ToggleTaskLabelInput;
 };
@@ -823,6 +841,44 @@ export type DeleteTaskChecklistPayload = {
   taskChecklist: TaskChecklist;
 };
 
+export type DeleteTaskGroupTasks = {
+  taskGroupID: Scalars['UUID'];
+};
+
+export type DeleteTaskGroupTasksPayload = {
+   __typename?: 'DeleteTaskGroupTasksPayload';
+  taskGroupID: Scalars['UUID'];
+  tasks: Array<Scalars['UUID']>;
+};
+
+export type TaskPositionUpdate = {
+  taskID: Scalars['UUID'];
+  position: Scalars['Float'];
+};
+
+export type SortTaskGroupPayload = {
+   __typename?: 'SortTaskGroupPayload';
+  taskGroupID: Scalars['UUID'];
+  tasks: Array<Task>;
+};
+
+export type SortTaskGroup = {
+  taskGroupID: Scalars['UUID'];
+  tasks: Array<TaskPositionUpdate>;
+};
+
+export type DuplicateTaskGroup = {
+  projectID: Scalars['UUID'];
+  taskGroupID: Scalars['UUID'];
+  name: Scalars['String'];
+  position: Scalars['Float'];
+};
+
+export type DuplicateTaskGroupPayload = {
+   __typename?: 'DuplicateTaskGroupPayload';
+  taskGroup: TaskGroup;
+};
+
 export type NewTaskGroupLocation = {
   taskGroupID: Scalars['UUID'];
   position: Scalars['Float'];
@@ -1575,6 +1631,60 @@ export type UpdateTaskChecklistNameMutation = (
   ) }
 );
 
+export type DeleteTaskGroupTasksMutationVariables = {
+  taskGroupID: Scalars['UUID'];
+};
+
+
+export type DeleteTaskGroupTasksMutation = (
+  { __typename?: 'Mutation' }
+  & { deleteTaskGroupTasks: (
+    { __typename?: 'DeleteTaskGroupTasksPayload' }
+    & Pick<DeleteTaskGroupTasksPayload, 'tasks' | 'taskGroupID'>
+  ) }
+);
+
+export type DuplicateTaskGroupMutationVariables = {
+  taskGroupID: Scalars['UUID'];
+  name: Scalars['String'];
+  position: Scalars['Float'];
+  projectID: Scalars['UUID'];
+};
+
+
+export type DuplicateTaskGroupMutation = (
+  { __typename?: 'Mutation' }
+  & { duplicateTaskGroup: (
+    { __typename?: 'DuplicateTaskGroupPayload' }
+    & { taskGroup: (
+      { __typename?: 'TaskGroup' }
+      & Pick<TaskGroup, 'id' | 'name' | 'position'>
+      & { tasks: Array<(
+        { __typename?: 'Task' }
+        & TaskFieldsFragment
+      )> }
+    ) }
+  ) }
+);
+
+export type SortTaskGroupMutationVariables = {
+  tasks: Array<TaskPositionUpdate>;
+  taskGroupID: Scalars['UUID'];
+};
+
+
+export type SortTaskGroupMutation = (
+  { __typename?: 'Mutation' }
+  & { sortTaskGroup: (
+    { __typename?: 'SortTaskGroupPayload' }
+    & Pick<SortTaskGroupPayload, 'taskGroupID'>
+    & { tasks: Array<(
+      { __typename?: 'Task' }
+      & Pick<Task, 'id' | 'position'>
+    )> }
+  ) }
+);
+
 export type UpdateTaskGroupNameMutationVariables = {
   taskGroupID: Scalars['UUID'];
   name: Scalars['String'];
@@ -3292,6 +3402,118 @@ export function useUpdateTaskChecklistNameMutation(baseOptions?: ApolloReactHook
 export type UpdateTaskChecklistNameMutationHookResult = ReturnType<typeof useUpdateTaskChecklistNameMutation>;
 export type UpdateTaskChecklistNameMutationResult = ApolloReactCommon.MutationResult<UpdateTaskChecklistNameMutation>;
 export type UpdateTaskChecklistNameMutationOptions = ApolloReactCommon.BaseMutationOptions<UpdateTaskChecklistNameMutation, UpdateTaskChecklistNameMutationVariables>;
+export const DeleteTaskGroupTasksDocument = gql`
+    mutation deleteTaskGroupTasks($taskGroupID: UUID!) {
+  deleteTaskGroupTasks(input: {taskGroupID: $taskGroupID}) {
+    tasks
+    taskGroupID
+  }
+}
+    `;
+export type DeleteTaskGroupTasksMutationFn = ApolloReactCommon.MutationFunction<DeleteTaskGroupTasksMutation, DeleteTaskGroupTasksMutationVariables>;
+
+/**
+ * __useDeleteTaskGroupTasksMutation__
+ *
+ * To run a mutation, you first call `useDeleteTaskGroupTasksMutation` within a React component and pass it any options that fit your needs.
+ * When your component renders, `useDeleteTaskGroupTasksMutation` returns a tuple that includes:
+ * - A mutate function that you can call at any time to execute the mutation
+ * - An object with fields that represent the current status of the mutation's execution
+ *
+ * @param baseOptions options that will be passed into the mutation, supported options are listed on: https://www.apollographql.com/docs/react/api/react-hooks/#options-2;
+ *
+ * @example
+ * const [deleteTaskGroupTasksMutation, { data, loading, error }] = useDeleteTaskGroupTasksMutation({
+ *   variables: {
+ *      taskGroupID: // value for 'taskGroupID'
+ *   },
+ * });
+ */
+export function useDeleteTaskGroupTasksMutation(baseOptions?: ApolloReactHooks.MutationHookOptions<DeleteTaskGroupTasksMutation, DeleteTaskGroupTasksMutationVariables>) {
+        return ApolloReactHooks.useMutation<DeleteTaskGroupTasksMutation, DeleteTaskGroupTasksMutationVariables>(DeleteTaskGroupTasksDocument, baseOptions);
+      }
+export type DeleteTaskGroupTasksMutationHookResult = ReturnType<typeof useDeleteTaskGroupTasksMutation>;
+export type DeleteTaskGroupTasksMutationResult = ApolloReactCommon.MutationResult<DeleteTaskGroupTasksMutation>;
+export type DeleteTaskGroupTasksMutationOptions = ApolloReactCommon.BaseMutationOptions<DeleteTaskGroupTasksMutation, DeleteTaskGroupTasksMutationVariables>;
+export const DuplicateTaskGroupDocument = gql`
+    mutation duplicateTaskGroup($taskGroupID: UUID!, $name: String!, $position: Float!, $projectID: UUID!) {
+  duplicateTaskGroup(input: {projectID: $projectID, taskGroupID: $taskGroupID, name: $name, position: $position}) {
+    taskGroup {
+      id
+      name
+      position
+      tasks {
+        ...TaskFields
+      }
+    }
+  }
+}
+    ${TaskFieldsFragmentDoc}`;
+export type DuplicateTaskGroupMutationFn = ApolloReactCommon.MutationFunction<DuplicateTaskGroupMutation, DuplicateTaskGroupMutationVariables>;
+
+/**
+ * __useDuplicateTaskGroupMutation__
+ *
+ * To run a mutation, you first call `useDuplicateTaskGroupMutation` within a React component and pass it any options that fit your needs.
+ * When your component renders, `useDuplicateTaskGroupMutation` returns a tuple that includes:
+ * - A mutate function that you can call at any time to execute the mutation
+ * - An object with fields that represent the current status of the mutation's execution
+ *
+ * @param baseOptions options that will be passed into the mutation, supported options are listed on: https://www.apollographql.com/docs/react/api/react-hooks/#options-2;
+ *
+ * @example
+ * const [duplicateTaskGroupMutation, { data, loading, error }] = useDuplicateTaskGroupMutation({
+ *   variables: {
+ *      taskGroupID: // value for 'taskGroupID'
+ *      name: // value for 'name'
+ *      position: // value for 'position'
+ *      projectID: // value for 'projectID'
+ *   },
+ * });
+ */
+export function useDuplicateTaskGroupMutation(baseOptions?: ApolloReactHooks.MutationHookOptions<DuplicateTaskGroupMutation, DuplicateTaskGroupMutationVariables>) {
+        return ApolloReactHooks.useMutation<DuplicateTaskGroupMutation, DuplicateTaskGroupMutationVariables>(DuplicateTaskGroupDocument, baseOptions);
+      }
+export type DuplicateTaskGroupMutationHookResult = ReturnType<typeof useDuplicateTaskGroupMutation>;
+export type DuplicateTaskGroupMutationResult = ApolloReactCommon.MutationResult<DuplicateTaskGroupMutation>;
+export type DuplicateTaskGroupMutationOptions = ApolloReactCommon.BaseMutationOptions<DuplicateTaskGroupMutation, DuplicateTaskGroupMutationVariables>;
+export const SortTaskGroupDocument = gql`
+    mutation sortTaskGroup($tasks: [TaskPositionUpdate!]!, $taskGroupID: UUID!) {
+  sortTaskGroup(input: {taskGroupID: $taskGroupID, tasks: $tasks}) {
+    taskGroupID
+    tasks {
+      id
+      position
+    }
+  }
+}
+    `;
+export type SortTaskGroupMutationFn = ApolloReactCommon.MutationFunction<SortTaskGroupMutation, SortTaskGroupMutationVariables>;
+
+/**
+ * __useSortTaskGroupMutation__
+ *
+ * To run a mutation, you first call `useSortTaskGroupMutation` within a React component and pass it any options that fit your needs.
+ * When your component renders, `useSortTaskGroupMutation` returns a tuple that includes:
+ * - A mutate function that you can call at any time to execute the mutation
+ * - An object with fields that represent the current status of the mutation's execution
+ *
+ * @param baseOptions options that will be passed into the mutation, supported options are listed on: https://www.apollographql.com/docs/react/api/react-hooks/#options-2;
+ *
+ * @example
+ * const [sortTaskGroupMutation, { data, loading, error }] = useSortTaskGroupMutation({
+ *   variables: {
+ *      tasks: // value for 'tasks'
+ *      taskGroupID: // value for 'taskGroupID'
+ *   },
+ * });
+ */
+export function useSortTaskGroupMutation(baseOptions?: ApolloReactHooks.MutationHookOptions<SortTaskGroupMutation, SortTaskGroupMutationVariables>) {
+        return ApolloReactHooks.useMutation<SortTaskGroupMutation, SortTaskGroupMutationVariables>(SortTaskGroupDocument, baseOptions);
+      }
+export type SortTaskGroupMutationHookResult = ReturnType<typeof useSortTaskGroupMutation>;
+export type SortTaskGroupMutationResult = ApolloReactCommon.MutationResult<SortTaskGroupMutation>;
+export type SortTaskGroupMutationOptions = ApolloReactCommon.BaseMutationOptions<SortTaskGroupMutation, SortTaskGroupMutationVariables>;
 export const UpdateTaskGroupNameDocument = gql`
     mutation updateTaskGroupName($taskGroupID: UUID!, $name: String!) {
   updateTaskGroupName(input: {taskGroupID: $taskGroupID, name: $name}) {

frontend/src/shared/graphql/taskGroup/deleteTaskGroupTasks.ts

@@ -0,0 +1,10 @@
+import gql from 'graphql-tag';
+
+const DELETE_TASK_GROUP_TASKS_MUTATION = gql`
+  mutation deleteTaskGroupTasks($taskGroupID: UUID!) {
+    deleteTaskGroupTasks(input: { taskGroupID: $taskGroupID }) {
+      tasks
+      taskGroupID
+    }
+  }
+`;

frontend/src/shared/graphql/taskGroup/duplicateTaskGroup.ts

@@ -0,0 +1,26 @@
+import gql from 'graphql-tag';
+import TASK_FRAGMENT from '../fragments/task';
+
+const DUPLICATE_TASK_GROUP_MUTATION = gql`
+mutation duplicateTaskGroup($taskGroupID: UUID!, $name: String!, $position: Float!, $projectID: UUID!) {
+  duplicateTaskGroup(
+  input: {
+    projectID: $projectID
+    taskGroupID: $taskGroupID
+    name: $name
+    position: $position
+  }
+  ) {
+    taskGroup {
+      id
+      name
+      position
+      tasks {
+        ...TaskFields
+      }
+    }
+  }
+
+  ${TASK_FRAGMENT}
+}
+`;

frontend/src/shared/graphql/taskGroup/sortTaskGroup.ts

@@ -0,0 +1,13 @@
+import gql from 'graphql-tag';
+
+const SORT_TASK_GROUP_MUTATION = gql`
+  mutation sortTaskGroup($tasks: [TaskPositionUpdate!]!, $taskGroupID: UUID!) {
+    sortTaskGroup(input: { taskGroupID: $taskGroupID, tasks: $tasks }) {
+      taskGroupID
+      tasks {
+        id
+        position
+      }
+    }
+  }
+`;

frontend/src/shared/utils/sorting.ts

@@ -0,0 +1,132 @@
+import moment from 'moment';
+
+export enum TaskSortingType {
+  NONE,
+  COMPLETE,
+  DUE_DATE,
+  MEMBERS,
+  LABELS,
+  TASK_TITLE,
+}
+
+export enum TaskSortingDirection {
+  ASC,
+  DESC,
+}
+
+export type TaskSorting = {
+  type: TaskSortingType;
+  direction: TaskSortingDirection;
+};
+
+export function sortString(a: string, b: string) {
+  if (a < b) {
+    return -1;
+  }
+  if (a > b) {
+    return 1;
+  }
+  return 0;
+}
+
+export function sortTasks(a: Task, b: Task, taskSorting: TaskSorting) {
+  if (taskSorting.type === TaskSortingType.TASK_TITLE) {
+    if (a.name < b.name) {
+      return -1;
+    }
+    if (a.name > b.name) {
+      return 1;
+    }
+    return 0;
+  }
+  if (taskSorting.type === TaskSortingType.DUE_DATE) {
+    if (a.dueDate && !b.dueDate) {
+      return -1;
+    }
+    if (b.dueDate && !a.dueDate) {
+      return 1;
+    }
+    return moment(a.dueDate).diff(moment(b.dueDate));
+  }
+  if (taskSorting.type === TaskSortingType.COMPLETE) {
+    if (a.complete && !b.complete) {
+      return -1;
+    }
+    if (b.complete && !a.complete) {
+      return 1;
+    }
+    return 0;
+  }
+  if (taskSorting.type === TaskSortingType.LABELS) {
+    // sorts non-empty labels by name, then by empty label color name
+    let aLabels = [];
+    let bLabels = [];
+    let aLabelsEmpty = [];
+    let bLabelsEmpty = [];
+    if (a.labels) {
+      for (const aLabel of a.labels) {
+        if (aLabel.projectLabel.name && aLabel.projectLabel.name !== '') {
+          aLabels.push(aLabel.projectLabel.name);
+        } else {
+          aLabelsEmpty.push(aLabel.projectLabel.labelColor.name);
+        }
+      }
+    }
+    if (b.labels) {
+      for (const bLabel of b.labels) {
+        if (bLabel.projectLabel.name && bLabel.projectLabel.name !== '') {
+          bLabels.push(bLabel.projectLabel.name);
+        } else {
+          bLabelsEmpty.push(bLabel.projectLabel.labelColor.name);
+        }
+      }
+    }
+    aLabels = aLabels.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
+    bLabels = bLabels.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
+    aLabelsEmpty = aLabelsEmpty.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
+    bLabelsEmpty = bLabelsEmpty.sort((aLabel, bLabel) => sortString(aLabel, bLabel));
+    if (aLabelsEmpty.length !== 0 || bLabelsEmpty.length !== 0) {
+      if (aLabelsEmpty.length > bLabelsEmpty.length) {
+        if (bLabels.length !== 0) {
+          return 1;
+        }
+        return -1;
+      }
+    }
+    if (aLabels.length < bLabels.length) {
+      return 1;
+    }
+    if (aLabels.length > bLabels.length) {
+      return -1;
+    }
+    return 0;
+  }
+  if (taskSorting.type === TaskSortingType.MEMBERS) {
+    let aMembers = [];
+    let bMembers = [];
+    if (a.assigned) {
+      for (const aMember of a.assigned) {
+        if (aMember.fullName) {
+          aMembers.push(aMember.fullName);
+        }
+      }
+    }
+    if (b.assigned) {
+      for (const bMember of b.assigned) {
+        if (bMember.fullName) {
+          bMembers.push(bMember.fullName);
+        }
+      }
+    }
+    aMembers = aMembers.sort((aMember, bMember) => sortString(aMember, bMember));
+    bMembers = bMembers.sort((aMember, bMember) => sortString(aMember, bMember));
+    if (aMembers.length < bMembers.length) {
+      return 1;
+    }
+    if (aMembers.length > bMembers.length) {
+      return -1;
+    }
+    return 0;
+  }
+  return 0;
+}

internal/db/querier.go

@@ -19,6 +19,7 @@ type Querier interface {
 	CreateRefreshToken(ctx context.Context, arg CreateRefreshTokenParams) (RefreshToken, error)
 	CreateSystemOption(ctx context.Context, arg CreateSystemOptionParams) (SystemOption, error)
 	CreateTask(ctx context.Context, arg CreateTaskParams) (Task, error)
+	CreateTaskAll(ctx context.Context, arg CreateTaskAllParams) (Task, error)
 	CreateTaskAssigned(ctx context.Context, arg CreateTaskAssignedParams) (TaskAssigned, error)
 	CreateTaskChecklist(ctx context.Context, arg CreateTaskChecklistParams) (TaskChecklist, error)
 	CreateTaskChecklistItem(ctx context.Context, arg CreateTaskChecklistItemParams) (TaskChecklistItem, error)
@@ -111,6 +112,7 @@ type Querier interface {
 	UpdateTaskGroupLocation(ctx context.Context, arg UpdateTaskGroupLocationParams) (TaskGroup, error)
 	UpdateTaskLocation(ctx context.Context, arg UpdateTaskLocationParams) (Task, error)
 	UpdateTaskName(ctx context.Context, arg UpdateTaskNameParams) (Task, error)
+	UpdateTaskPosition(ctx context.Context, arg UpdateTaskPositionParams) (Task, error)
 	UpdateTeamMemberRole(ctx context.Context, arg UpdateTeamMemberRoleParams) (TeamMember, error)
 	UpdateUserAccountProfileAvatarURL(ctx context.Context, arg UpdateUserAccountProfileAvatarURLParams) (UserAccount, error)
 	UpdateUserRole(ctx context.Context, arg UpdateUserRoleParams) (UserAccount, error)

internal/db/query/task.sql

@@ -2,6 +2,10 @@
 INSERT INTO task (task_group_id, created_at, name, position)
   VALUES($1, $2, $3, $4) RETURNING *;
 
+-- name: CreateTaskAll :one
+INSERT INTO task (task_group_id, created_at, name, position, description, complete, due_date)
+  VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING *;
+
 -- name: UpdateTaskDescription :one
 UPDATE task SET description = $2 WHERE task_id = $1 RETURNING *;
 
@@ -17,6 +21,9 @@ SELECT * FROM task;
 -- name: UpdateTaskLocation :one
 UPDATE task SET task_group_id = $2, position = $3 WHERE task_id = $1 RETURNING *;
 
+-- name: UpdateTaskPosition :one
+UPDATE task SET position = $2 WHERE task_id = $1 RETURNING *;
+
 -- name: DeleteTaskByID :exec
 DELETE FROM task WHERE task_id = $1;
 

internal/db/task.sql.go

@@ -45,6 +45,46 @@ func (q *Queries) CreateTask(ctx context.Context, arg CreateTaskParams) (Task, e
 	return i, err
 }
 
+const createTaskAll = `-- name: CreateTaskAll :one
+INSERT INTO task (task_group_id, created_at, name, position, description, complete, due_date)
+  VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING task_id, task_group_id, created_at, name, position, description, due_date, complete, completed_at
+`
+
+type CreateTaskAllParams struct {
+	TaskGroupID uuid.UUID      `json:"task_group_id"`
+	CreatedAt   time.Time      `json:"created_at"`
+	Name        string         `json:"name"`
+	Position    float64        `json:"position"`
+	Description sql.NullString `json:"description"`
+	Complete    bool           `json:"complete"`
+	DueDate     sql.NullTime   `json:"due_date"`
+}
+
+func (q *Queries) CreateTaskAll(ctx context.Context, arg CreateTaskAllParams) (Task, error) {
+	row := q.db.QueryRowContext(ctx, createTaskAll,
+		arg.TaskGroupID,
+		arg.CreatedAt,
+		arg.Name,
+		arg.Position,
+		arg.Description,
+		arg.Complete,
+		arg.DueDate,
+	)
+	var i Task
+	err := row.Scan(
+		&i.TaskID,
+		&i.TaskGroupID,
+		&i.CreatedAt,
+		&i.Name,
+		&i.Position,
+		&i.Description,
+		&i.DueDate,
+		&i.Complete,
+		&i.CompletedAt,
+	)
+	return i, err
+}
+
 const deleteTaskByID = `-- name: DeleteTaskByID :exec
 DELETE FROM task WHERE task_id = $1
 `
@@ -305,3 +345,29 @@ func (q *Queries) UpdateTaskName(ctx context.Context, arg UpdateTaskNameParams)
 	)
 	return i, err
 }
+
+const updateTaskPosition = `-- name: UpdateTaskPosition :one
+UPDATE task SET position = $2 WHERE task_id = $1 RETURNING task_id, task_group_id, created_at, name, position, description, due_date, complete, completed_at
+`
+
+type UpdateTaskPositionParams struct {
+	TaskID   uuid.UUID `json:"task_id"`
+	Position float64   `json:"position"`
+}
+
+func (q *Queries) UpdateTaskPosition(ctx context.Context, arg UpdateTaskPositionParams) (Task, error) {
+	row := q.db.QueryRowContext(ctx, updateTaskPosition, arg.TaskID, arg.Position)
+	var i Task
+	err := row.Scan(
+		&i.TaskID,
+		&i.TaskGroupID,
+		&i.CreatedAt,
+		&i.Name,
+		&i.Position,
+		&i.Description,
+		&i.DueDate,
+		&i.Complete,
+		&i.CompletedAt,
+	)
+	return i, err
+}

internal/graph/models_gen.go

@@ -111,6 +111,15 @@ type DeleteTaskGroupPayload struct {
 	TaskGroup    *db.TaskGroup `json:"taskGroup"`
 }
 
+type DeleteTaskGroupTasks struct {
+	TaskGroupID uuid.UUID `json:"taskGroupID"`
+}
+
+type DeleteTaskGroupTasksPayload struct {
+	TaskGroupID uuid.UUID   `json:"taskGroupID"`
+	Tasks       []uuid.UUID `json:"tasks"`
+}
+
 type DeleteTaskInput struct {
 	TaskID string `json:"taskID"`
 }
@@ -151,6 +160,17 @@ type DeleteUserAccountPayload struct {
 	UserAccount *db.UserAccount `json:"userAccount"`
 }
 
+type DuplicateTaskGroup struct {
+	ProjectID   uuid.UUID `json:"projectID"`
+	TaskGroupID uuid.UUID `json:"taskGroupID"`
+	Name        string    `json:"name"`
+	Position    float64   `json:"position"`
+}
+
+type DuplicateTaskGroupPayload struct {
+	TaskGroup *db.TaskGroup `json:"taskGroup"`
+}
+
 type FindProject struct {
 	ProjectID uuid.UUID `json:"projectID"`
 }
@@ -296,10 +316,25 @@ type SetTaskComplete struct {
 	Complete bool      `json:"complete"`
 }
 
+type SortTaskGroup struct {
+	TaskGroupID uuid.UUID            `json:"taskGroupID"`
+	Tasks       []TaskPositionUpdate `json:"tasks"`
+}
+
+type SortTaskGroupPayload struct {
+	TaskGroupID uuid.UUID `json:"taskGroupID"`
+	Tasks       []db.Task `json:"tasks"`
+}
+
 type TaskBadges struct {
 	Checklist *ChecklistBadge `json:"checklist"`
 }
 
+type TaskPositionUpdate struct {
+	TaskID   uuid.UUID `json:"taskID"`
+	Position float64   `json:"position"`
+}
+
 type TeamRole struct {
 	TeamID   uuid.UUID `json:"teamID"`
 	RoleCode RoleCode  `json:"roleCode"`

internal/graph/schema.graphqls

@@ -547,6 +547,47 @@ extend type Mutation {
     TaskGroup! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
   deleteTaskGroup(input: DeleteTaskGroupInput!):
     DeleteTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+  duplicateTaskGroup(input: DuplicateTaskGroup!):
+    DuplicateTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+  sortTaskGroup(input: SortTaskGroup!):
+    SortTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+  deleteTaskGroupTasks(input: DeleteTaskGroupTasks!):
+    DeleteTaskGroupTasksPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+}
+
+input DeleteTaskGroupTasks {
+  taskGroupID: UUID!
+}
+
+type DeleteTaskGroupTasksPayload {
+  taskGroupID: UUID!
+  tasks: [UUID!]!
+}
+
+input TaskPositionUpdate {
+  taskID: UUID!
+  position: Float!
+}
+
+type SortTaskGroupPayload {
+  taskGroupID: UUID!
+  tasks: [Task!]!
+}
+
+input SortTaskGroup {
+  taskGroupID: UUID!
+  tasks: [TaskPositionUpdate!]!
+}
+
+input DuplicateTaskGroup {
+  projectID: UUID!
+  taskGroupID: UUID!
+  name: String!
+  position: Float!
+}
+
+type DuplicateTaskGroupPayload {
+  taskGroup: TaskGroup!
 }
 
 input NewTaskGroupLocation {

internal/graph/schema.resolvers.go

@@ -438,6 +438,111 @@ func (r *mutationResolver) DeleteTaskGroup(ctx context.Context, input DeleteTask
 	return &DeleteTaskGroupPayload{true, int(deletedTasks + deletedTaskGroups), &taskGroup}, nil
 }
 
+func (r *mutationResolver) DuplicateTaskGroup(ctx context.Context, input DuplicateTaskGroup) (*DuplicateTaskGroupPayload, error) {
+	createdAt := time.Now().UTC()
+	taskGroup, err := r.Repository.CreateTaskGroup(ctx, db.CreateTaskGroupParams{ProjectID: input.ProjectID, Position: input.Position, Name: input.Name, CreatedAt: createdAt})
+	if err != nil {
+		return &DuplicateTaskGroupPayload{}, err
+	}
+
+	originalTasks, err := r.Repository.GetTasksForTaskGroupID(ctx, input.TaskGroupID)
+	if err != nil && err != sql.ErrNoRows {
+		return &DuplicateTaskGroupPayload{}, err
+	}
+	for _, originalTask := range originalTasks {
+		task, err := r.Repository.CreateTaskAll(ctx, db.CreateTaskAllParams{
+			TaskGroupID: taskGroup.TaskGroupID, CreatedAt: createdAt, Name: originalTask.Name, Position: originalTask.Position,
+			Complete: originalTask.Complete, DueDate: originalTask.DueDate, Description: originalTask.Description})
+		if err != nil {
+			return &DuplicateTaskGroupPayload{}, err
+		}
+		members, err := r.Repository.GetAssignedMembersForTask(ctx, originalTask.TaskID)
+		if err != nil {
+			return &DuplicateTaskGroupPayload{}, err
+		}
+		for _, member := range members {
+			_, err := r.Repository.CreateTaskAssigned(ctx, db.CreateTaskAssignedParams{
+				TaskID: task.TaskID, UserID: member.UserID, AssignedDate: member.AssignedDate})
+			if err != nil {
+				return &DuplicateTaskGroupPayload{}, err
+			}
+		}
+		labels, err := r.Repository.GetTaskLabelsForTaskID(ctx, originalTask.TaskID)
+		if err != nil {
+			return &DuplicateTaskGroupPayload{}, err
+		}
+		for _, label := range labels {
+			_, err := r.Repository.CreateTaskLabelForTask(ctx, db.CreateTaskLabelForTaskParams{
+				TaskID: task.TaskID, ProjectLabelID: label.ProjectLabelID, AssignedDate: label.AssignedDate})
+			if err != nil {
+				return &DuplicateTaskGroupPayload{}, err
+			}
+		}
+		checklists, err := r.Repository.GetTaskChecklistsForTask(ctx, originalTask.TaskID)
+		if err != nil {
+			return &DuplicateTaskGroupPayload{}, err
+		}
+		for _, checklist := range checklists {
+			newChecklist, err := r.Repository.CreateTaskChecklist(ctx, db.CreateTaskChecklistParams{
+				TaskID: task.TaskID, Name: checklist.Name, CreatedAt: createdAt, Position: checklist.Position})
+			if err != nil {
+				return &DuplicateTaskGroupPayload{}, err
+			}
+			checklistItems, err := r.Repository.GetTaskChecklistItemsForTaskChecklist(ctx, checklist.TaskChecklistID)
+			if err != nil {
+				return &DuplicateTaskGroupPayload{}, err
+			}
+			for _, checklistItem := range checklistItems {
+				item, err := r.Repository.CreateTaskChecklistItem(ctx, db.CreateTaskChecklistItemParams{
+					TaskChecklistID: newChecklist.TaskChecklistID,
+					CreatedAt:       createdAt,
+					Name:            checklistItem.Name,
+					Position:        checklist.Position,
+				})
+				if checklistItem.Complete {
+					r.Repository.SetTaskChecklistItemComplete(ctx, db.SetTaskChecklistItemCompleteParams{TaskChecklistItemID: item.TaskChecklistItemID, Complete: true})
+				}
+				if err != nil {
+					return &DuplicateTaskGroupPayload{}, err
+				}
+			}
+
+		}
+	}
+	if err != nil {
+		return &DuplicateTaskGroupPayload{}, err
+	}
+	return &DuplicateTaskGroupPayload{TaskGroup: &taskGroup}, err
+}
+
+func (r *mutationResolver) SortTaskGroup(ctx context.Context, input SortTaskGroup) (*SortTaskGroupPayload, error) {
+	tasks := []db.Task{}
+	for _, task := range input.Tasks {
+		t, err := r.Repository.UpdateTaskPosition(ctx, db.UpdateTaskPositionParams{TaskID: task.TaskID, Position: task.Position})
+		if err != nil {
+			return &SortTaskGroupPayload{}, err
+		}
+		tasks = append(tasks, t)
+	}
+	return &SortTaskGroupPayload{Tasks: tasks, TaskGroupID: input.TaskGroupID}, nil
+}
+
+func (r *mutationResolver) DeleteTaskGroupTasks(ctx context.Context, input DeleteTaskGroupTasks) (*DeleteTaskGroupTasksPayload, error) {
+	tasks, err := r.Repository.GetTasksForTaskGroupID(ctx, input.TaskGroupID)
+	if err != nil && err != sql.ErrNoRows {
+		return &DeleteTaskGroupTasksPayload{}, err
+	}
+	removedTasks := []uuid.UUID{}
+	for _, task := range tasks {
+		err = r.Repository.DeleteTaskByID(ctx, task.TaskID)
+		if err != nil {
+			return &DeleteTaskGroupTasksPayload{}, err
+		}
+		removedTasks = append(removedTasks, task.TaskID)
+	}
+	return &DeleteTaskGroupTasksPayload{TaskGroupID: input.TaskGroupID, Tasks: removedTasks}, nil
+}
+
 func (r *mutationResolver) AddTaskLabel(ctx context.Context, input *AddTaskLabelInput) (*db.Task, error) {
 	assignedDate := time.Now().UTC()
 	_, err := r.Repository.CreateTaskLabelForTask(ctx, db.CreateTaskLabelForTaskParams{input.TaskID, input.ProjectLabelID, assignedDate})

internal/graph/schema/task_group.gql

@@ -7,6 +7,47 @@ extend type Mutation {
     TaskGroup! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
   deleteTaskGroup(input: DeleteTaskGroupInput!):
     DeleteTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+  duplicateTaskGroup(input: DuplicateTaskGroup!):
+    DuplicateTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+  sortTaskGroup(input: SortTaskGroup!):
+    SortTaskGroupPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+  deleteTaskGroupTasks(input: DeleteTaskGroupTasks!):
+    DeleteTaskGroupTasksPayload! @hasRole(roles: [ADMIN], level: PROJECT, type: PROJECT)
+}
+
+input DeleteTaskGroupTasks {
+  taskGroupID: UUID!
+}
+
+type DeleteTaskGroupTasksPayload {
+  taskGroupID: UUID!
+  tasks: [UUID!]!
+}
+
+input TaskPositionUpdate {
+  taskID: UUID!
+  position: Float!
+}
+
+type SortTaskGroupPayload {
+  taskGroupID: UUID!
+  tasks: [Task!]!
+}
+
+input SortTaskGroup {
+  taskGroupID: UUID!
+  tasks: [TaskPositionUpdate!]!
+}
+
+input DuplicateTaskGroup {
+  projectID: UUID!
+  taskGroupID: UUID!
+  name: String!
+  position: Float!
+}
+
+type DuplicateTaskGroupPayload {
+  taskGroup: TaskGroup!
 }
 
 input NewTaskGroupLocation {