Client - init utils methods needed for charts

fittrackee_client/src/store/modules/statistics/interfaces.ts

@@ -2,10 +2,10 @@ import { ActionContext } from 'vuex'
 
 import { STATS_STORE } from '@/store/constants'
 import { IRootState } from '@/store/modules/root/interfaces'
-import { IUserStatisticsPayload, TStatistics } from '@/types/statistics'
+import { IUserStatisticsPayload, TStatisticsFromApi } from '@/types/statistics'
 
 export interface IStatisticsState {
-  statistics: TStatistics
+  statistics: TStatisticsFromApi
 }
 
 export interface IStatisticsActions {
@@ -16,5 +16,5 @@ export interface IStatisticsActions {
 }
 
 export interface IStatisticsGetters {
-  [STATS_STORE.GETTERS.USER_STATS](state: IStatisticsState): TStatistics
+  [STATS_STORE.GETTERS.USER_STATS](state: IStatisticsState): TStatisticsFromApi
 }

fittrackee_client/src/store/modules/statistics/mutations.ts

@@ -3,13 +3,13 @@ import { MutationTree } from 'vuex'
 import { STATS_STORE } from '@/store/constants'
 import { IStatisticsState } from '@/store/modules/statistics/interfaces'
 import { TStatisticsMutations } from '@/store/modules/statistics/types'
-import { TStatistics } from '@/types/statistics'
+import { TStatisticsFromApi } from '@/types/statistics'
 
 export const mutations: MutationTree<IStatisticsState> & TStatisticsMutations =
   {
     [STATS_STORE.MUTATIONS.UPDATE_USER_STATS](
       state: IStatisticsState,
-      statistics: TStatistics
+      statistics: TStatisticsFromApi
     ) {
       state.statistics = statistics
     },

fittrackee_client/src/store/modules/statistics/state.ts

@@ -1,6 +1,6 @@
 import { IStatisticsState } from '@/store/modules/statistics/interfaces'
-import { TStatistics } from '@/types/statistics'
+import { TStatisticsFromApi } from '@/types/statistics'
 
 export const statisticsState: IStatisticsState = {
-  statistics: <TStatistics>{},
+  statistics: <TStatisticsFromApi>{},
 }

fittrackee_client/src/store/modules/statistics/types.ts

@@ -6,12 +6,12 @@ import {
   IStatisticsActions,
   IStatisticsGetters,
 } from '@/store/modules/statistics/interfaces'
-import { TStatistics } from '@/types/statistics'
+import { TStatisticsFromApi } from '@/types/statistics'
 
 export type TStatisticsMutations<S = IStatisticsState> = {
   [STATS_STORE.MUTATIONS.UPDATE_USER_STATS](
     state: S,
-    statistics: TStatistics
+    statistics: TStatisticsFromApi
   ): void
 }
 

fittrackee_client/src/types/generic.ts

@@ -0,0 +1,3 @@
+export type genericObject = {
+  [key: string]: string
+}

fittrackee_client/src/types/statistics.ts

@@ -1,12 +1,3 @@
-export interface IStatistics {
-  nb_workouts: number
-  total_distance: number
-  total_duration: number
-}
-export type TStatistics = {
-  [key in string | number]: IStatistics
-}
-
 export interface IStatisticsParams {
   from: string
   to: string
@@ -18,3 +9,37 @@ export interface IUserStatisticsPayload {
   filterType: string
   params: IStatisticsParams
 }
+
+export interface IStatisticsDateParams {
+  duration: string
+  start: Date
+  end: Date
+}
+
+export type TDatasetKeys = 'nb_workouts' | 'total_duration' | 'total_distance'
+
+export type TStatistics = Record<TDatasetKeys, number>
+
+export type TSportStatistics = {
+  [key in number]: TStatistics
+}
+
+export type TStatisticsFromApi = {
+  [key in string]: TSportStatistics
+}
+
+export interface IStatisticsChartDataset {
+  label: string
+  backgroundColor: string[]
+  data: (number | null)[]
+}
+
+export type TStatisticsDatasets = Record<
+  TDatasetKeys,
+  IStatisticsChartDataset[]
+>
+
+export interface IStatisticsChartData {
+  labels: string[]
+  datasets: TStatisticsDatasets
+}

fittrackee_client/src/types/workouts.ts

@@ -0,0 +1,7 @@
+export interface ISport {
+  has_workouts: boolean
+  id: number
+  img: string
+  is_active: boolean
+  label: string
+}

fittrackee_client/src/utils/dates.ts

@@ -0,0 +1,42 @@
+import {
+  addDays,
+  addMonths,
+  addYears,
+  startOfMonth,
+  startOfWeek,
+  startOfYear,
+} from 'date-fns'
+
+export const startDate = (
+  duration: string,
+  day: Date,
+  weekStartingMonday: boolean
+): Date => {
+  switch (duration) {
+    case 'week':
+      return startOfWeek(day, { weekStartsOn: weekStartingMonday ? 1 : 0 })
+    case 'year':
+      return startOfYear(day)
+    case 'month':
+      return startOfMonth(day)
+    default:
+      throw new Error(
+        `Invalid duration, expected: "week", "month", "year", got: "${duration}"`
+      )
+  }
+}
+
+export const incrementDate = (duration: string, day: Date): Date => {
+  switch (duration) {
+    case 'week':
+      return addDays(day, 7)
+    case 'year':
+      return addYears(day, 1)
+    case 'month':
+      return addMonths(day, 1)
+    default:
+      throw new Error(
+        `Invalid duration, expected: "week", "month", "year", got: "${duration}"`
+      )
+  }
+}

fittrackee_client/src/utils/statistics.ts

@@ -0,0 +1,103 @@
+import { format } from 'date-fns'
+
+import { genericObject } from '@/types/generic'
+import {
+  IStatisticsChartData,
+  IStatisticsChartDataset,
+  IStatisticsDateParams,
+  TDatasetKeys,
+  TStatisticsDatasets,
+  TStatisticsFromApi,
+} from '@/types/statistics'
+import { ISport } from '@/types/workouts'
+import { incrementDate, startDate } from '@/utils/dates'
+
+// date format from api
+const dateFormats: genericObject = {
+  week: 'yyyy-MM-dd',
+  month: 'yyyy-MM',
+  year: 'yyyy',
+}
+
+const data: TDatasetKeys[] = ['nb_workouts', 'total_duration', 'total_distance']
+
+export const getDateKeys = (
+  params: IStatisticsDateParams,
+  weekStartingMonday: boolean
+): Date[] => {
+  const days = []
+  for (
+    let day = startDate(params.duration, params.start, weekStartingMonday);
+    day <= params.end;
+    day = incrementDate(params.duration, day)
+  ) {
+    days.push(day)
+  }
+  return days
+}
+
+const getStatisticsChartDataset = (
+  sportLabel: string
+): IStatisticsChartDataset =>
+  Object.assign(
+    {},
+    {
+      label: sportLabel,
+      backgroundColor: [],
+      data: [],
+    }
+  )
+
+export const getDatasets = (displayedSports: ISport[]): TStatisticsDatasets => {
+  const datasets: TStatisticsDatasets = {
+    nb_workouts: [],
+    total_distance: [],
+    total_duration: [],
+  }
+  displayedSports.map((sport) => {
+    datasets.nb_workouts.push(getStatisticsChartDataset(sport.label))
+    datasets.total_distance.push(getStatisticsChartDataset(sport.label))
+    datasets.total_duration.push(getStatisticsChartDataset(sport.label))
+  })
+  return datasets
+}
+
+export const formatStats = (
+  params: IStatisticsDateParams,
+  weekStartingMonday: boolean,
+  sports: ISport[],
+  displayedSportsId: number[],
+  apiStats: TStatisticsFromApi
+): IStatisticsChartData => {
+  const dayKeys = getDateKeys(params, weekStartingMonday)
+  const dateFormat = dateFormats[params.duration]
+  const displayedSports = sports.filter((sport) =>
+    displayedSportsId.length == 0 ? true : displayedSportsId.includes(sport.id)
+  )
+  const labels: string[] = []
+  const datasets = getDatasets(displayedSports)
+  const sportsId: Record<string, number> = {}
+  displayedSports.map(
+    (displayedSport) => (sportsId[displayedSport.label] = displayedSport.id)
+  )
+
+  dayKeys.map((key) => {
+    const date: string = format(key, dateFormat)
+    labels.push(date)
+    data.map((datasetKey) => {
+      datasets[datasetKey].map((dataset) =>
+        dataset.data.push(
+          apiStats !== {} &&
+            date in apiStats &&
+            sportsId[dataset.label] in apiStats[date]
+            ? apiStats[date][sportsId[dataset.label]][datasetKey]
+            : null
+        )
+      )
+    })
+  })
+  return {
+    labels,
+    datasets,
+  }
+}