{
  "version": 3,
  "sources": ["src/app/cards/bulk-selection.service.ts"],
  "sourcesContent": ["import {Injectable} from '@angular/core';\r\nimport {NavigationStart, Router} from '@angular/router';\r\nimport {ReplaySubject} from 'rxjs';\r\nimport {filter} from 'rxjs/operators';\r\nimport {Action, ActionFactoryService, ActionItem} from '../_services/action-factory.service';\r\n\r\ntype DataSource = 'volume' | 'chapter' | 'special' | 'series' | 'bookmark' | 'sideNavStream' | 'collection' | 'readingList';\r\n\r\n/**\r\n * Responsible for handling selections on cards. Can handle multiple card sources next to each other in different loops.\r\n * This will clear selections between pages.\r\n *\r\n * Remarks: Page which renders cards is responsible for listening for shift keydown/keyup and updating our state variable.\r\n */\r\n@Injectable({\r\n  providedIn: 'root'\r\n})\r\nexport class BulkSelectionService {\r\n\r\n  private debug: boolean = false;\r\n  private prevIndex: number = 0;\r\n  private prevDataSource!: DataSource;\r\n  private selectedCards: { [key: string]: {[key: number]: boolean} } = {};\r\n  private dataSourceMax: { [key: string]: number} = {};\r\n  public isShiftDown: boolean = false;\r\n\r\n  private actionsSource = new ReplaySubject<ActionItem<any>[]>(1);\r\n  public actions$ = this.actionsSource.asObservable();\r\n\r\n  private selectionsSource = new ReplaySubject<number>(1);\r\n  /**\r\n   * Number of active selections\r\n   */\r\n  public selections$ = this.selectionsSource.asObservable();\r\n\r\n  constructor(router: Router, private actionFactory: ActionFactoryService) {\r\n    router.events\r\n      .pipe(filter(event => event instanceof NavigationStart))\r\n      .subscribe(() => {\r\n        this.deselectAll();\r\n        this.dataSourceMax = {};\r\n        this.prevIndex = 0;\r\n      });\r\n  }\r\n\r\n  handleCardSelection(dataSource: DataSource, index: number, maxIndex: number, wasSelected: boolean) {\r\n    if (this.isShiftDown) {\r\n\r\n      if (dataSource === this.prevDataSource) {\r\n        this.debugLog('Selecting ' + dataSource + ' cards from ' + this.prevIndex + ' to ' + index + ' as ' + !wasSelected);\r\n        this.selectCards(dataSource, this.prevIndex, index, !wasSelected);\r\n      } else {\r\n        const isForwardSelection = index > this.prevIndex;\r\n\r\n        if (isForwardSelection) {\r\n          this.debugLog('Selecting ' + this.prevDataSource + ' cards from ' + this.prevIndex + ' to ' + this.dataSourceMax[this.prevDataSource]);\r\n          this.selectCards(this.prevDataSource, this.prevIndex, this.dataSourceMax[this.prevDataSource], !wasSelected);\r\n          this.debugLog('Selecting ' + dataSource + ' cards from ' + 0 + ' to ' + index);\r\n          this.selectCards(dataSource, 0, index, !wasSelected);\r\n        } else {\r\n          this.debugLog('Selecting ' + this.prevDataSource + ' cards from ' + 0 + ' to ' + this.prevIndex);\r\n          this.selectCards(this.prevDataSource, this.prevIndex, 0, !wasSelected);\r\n          this.debugLog('Selecting ' + dataSource + ' cards from ' + index + ' to ' + maxIndex);\r\n          this.selectCards(dataSource, index, maxIndex, !wasSelected);\r\n        }\r\n      }\r\n    } else {\r\n      this.debugLog('Selecting ' + dataSource + ' cards at ' + index);\r\n      this.selectCards(dataSource, index, index, !wasSelected);\r\n    }\r\n    this.prevIndex = index;\r\n    this.prevDataSource = dataSource;\r\n    this.dataSourceMax[dataSource] = maxIndex;\r\n    this.actionsSource.next(this.getActions(() => {}));\r\n  }\r\n\r\n  isCardSelected(dataSource: DataSource, index: number) {\r\n    if (this.selectedCards.hasOwnProperty(dataSource) && this.selectedCards[dataSource].hasOwnProperty(index)) {\r\n      return this.selectedCards[dataSource][index];\r\n    }\r\n    return false;\r\n  }\r\n\r\n  selectCards(dataSource: DataSource, from: number, to: number, value: boolean) {\r\n    if (!this.selectedCards.hasOwnProperty(dataSource)) {\r\n      this.selectedCards[dataSource] = {};\r\n    }\r\n\r\n    if (from === to) {\r\n      this.selectedCards[dataSource][to] = value;\r\n      this.selectionsSource.next(this.totalSelections());\r\n      return;\r\n    }\r\n\r\n    if (from > to) {\r\n      for (let i = to; i <= from; i++) {\r\n        this.selectedCards[dataSource][i] = value;\r\n      }\r\n    }\r\n\r\n    for (let i = from; i <= to; i++) {\r\n      this.selectedCards[dataSource][i] = value;\r\n    }\r\n    this.selectionsSource.next(this.totalSelections());\r\n  }\r\n\r\n  deselectAll() {\r\n    this.selectedCards = {};\r\n    this.selectionsSource.next(0);\r\n  }\r\n\r\n  hasSelections() {\r\n    const keys = Object.keys(this.selectedCards);\r\n    return keys.filter(key => {\r\n      return Object.values(this.selectedCards[key]).filter(item => item).length > 0;\r\n    }).length > 0;\r\n  }\r\n\r\n  totalSelections() {\r\n    let sum = 0;\r\n    const keys = Object.keys(this.selectedCards);\r\n    keys.forEach(key => {\r\n      sum += Object.values(this.selectedCards[key]).filter(item => item).length;\r\n    });\r\n    return sum;\r\n  }\r\n\r\n  getSelectedCardsForSource(dataSource: DataSource) {\r\n    if (!this.selectedCards.hasOwnProperty(dataSource)) return [];\r\n\r\n    const ret = [];\r\n    for(let k in this.selectedCards[dataSource]) {\r\n      if (this.selectedCards[dataSource][k]) {\r\n        ret.push(k);\r\n      }\r\n    }\r\n\r\n    return ret;\r\n  }\r\n\r\n  /**\r\n   * Returns the appropriate set of supported actions for the given mix of cards\r\n   * @param callback\r\n   */\r\n  getActions(callback: (action: ActionItem<any>, data: any) => void) {\r\n    const allowedActions = [Action.AddToReadingList, Action.MarkAsRead, Action.MarkAsUnread, Action.AddToCollection,\r\n      Action.Delete, Action.AddToWantToReadList, Action.RemoveFromWantToReadList];\r\n\r\n    if (Object.keys(this.selectedCards).filter(item => item === 'series').length > 0) {\r\n      return this.applyFilterToList(this.actionFactory.getSeriesActions(callback), allowedActions);\r\n    }\r\n\r\n    if (Object.keys(this.selectedCards).filter(item => item === 'bookmark').length > 0) {\r\n      return this.actionFactory.getBookmarkActions(callback);\r\n    }\r\n\r\n    if (Object.keys(this.selectedCards).filter(item => item === 'sideNavStream').length > 0) {\r\n      return this.applyFilterToList(this.actionFactory.getSideNavStreamActions(callback), [Action.MarkAsInvisible, Action.MarkAsVisible]);\r\n    }\r\n\r\n    if (Object.keys(this.selectedCards).filter(item => item === 'collection').length > 0) {\r\n      return this.applyFilterToList(this.actionFactory.getCollectionTagActions(callback), [Action.Promote, Action.UnPromote, Action.Delete]);\r\n    }\r\n\r\n    if (Object.keys(this.selectedCards).filter(item => item === 'readingList').length > 0) {\r\n      return this.applyFilterToList(this.actionFactory.getReadingListActions(callback), [Action.Promote, Action.UnPromote, Action.Delete]);\r\n    }\r\n\r\n    // Chapter/Volume\r\n    return this.applyFilterToList(this.actionFactory.getVolumeActions(callback), [...allowedActions, Action.SendTo]);\r\n  }\r\n\r\n  private debugLog(message: string, extraData?: any) {\r\n    if (!this.debug) return;\r\n\r\n    if (extraData !== undefined) {\r\n      console.log(message, extraData);\r\n    } else {\r\n      console.log(message);\r\n    }\r\n  }\r\n\r\n  private applyFilter(action: ActionItem<any>, allowedActions: Array<Action>) {\r\n    let hasValidAction = false;\r\n\r\n    // Check if the current action is valid or a submenu\r\n    if (action.action === Action.Submenu || allowedActions.includes(action.action)) {\r\n      hasValidAction = true;\r\n    }\r\n\r\n    // If the action has children, filter them recursively\r\n    if (action.children && action.children.length > 0) {\r\n      action.children = action.children.filter((childAction) => this.applyFilter(childAction, allowedActions));\r\n\r\n      // If no valid children remain, the parent submenu should not be considered valid\r\n      if (action.children.length === 0 && action.action === Action.Submenu) {\r\n        hasValidAction = false;\r\n      }\r\n    }\r\n\r\n    // Return whether this action or its children are valid\r\n    return hasValidAction;\r\n  }\r\n\r\n\tprivate applyFilterToList(list: Array<ActionItem<any>>, allowedActions: Array<Action>): Array<ActionItem<any>> {\r\n\t\tconst actions = list.map((a) => {\r\n\t\t\treturn { ...a };\r\n\t\t});\r\n    return actions.filter(action => this.applyFilter(action, allowedActions));\r\n\t}\r\n}\r\n"],
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  "names": ["BulkSelectionService", "constructor", "router", "actionFactory", "debug", "prevIndex", "selectedCards", "dataSourceMax", "isShiftDown", "actionsSource", "ReplaySubject", "actions$", "asObservable", "selectionsSource", "selections$", "events", "pipe", "filter", "event", "NavigationStart", "subscribe", "deselectAll", "handleCardSelection", "dataSource", "index", "maxIndex", "wasSelected", "prevDataSource", "debugLog", "selectCards", "next", "getActions", "isCardSelected", "hasOwnProperty", "from", "to", "value", "totalSelections", "i", "hasSelections", "Object", "keys", "key", "values", "item", "length", "sum", "forEach", "getSelectedCardsForSource", "ret", "k", "push", "callback", "allowedActions", "Action", "AddToReadingList", "MarkAsRead", "MarkAsUnread", "AddToCollection", "Delete", "AddToWantToReadList", "RemoveFromWantToReadList", "applyFilterToList", "getSeriesActions", "getBookmarkActions", "getSideNavStreamActions", "MarkAsInvisible", "MarkAsVisible", "getCollectionTagActions", "Promote", "UnPromote", "getReadingListActions", "getVolumeActions", "SendTo", "message", "extraData", "undefined", "console", "log", "applyFilter", "action", "hasValidAction", "Submenu", "includes", "children", "childAction", "list", "map", "a", "__spreadValues", "\u0275\u0275inject", "Router", "ActionFactoryService", "factory", "\u0275fac", "providedIn"]
}