experienceReducer.ts ➔ setExperienceSkills - Code Metrics - Inspection of "Bump @storybook/addons from 6.1.14 to 6.1.15" - GCTC-NTGC/TalentCloud - Measure and Improve Code Quality continuously with Scrutinizer

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Push — dev ( b945d5...f9c292 )

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created 2021-01-22 15:25 UTC

experienceReducer.ts ➔ setExperienceSkills B

↳ Parent: resources/assets/js/store/Experience/experienceReducer.ts

Complexity

Conditions

Size

Total Lines	50
Code Lines	38

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	38
dl	0
loc	50
rs	8.968
c	0
b	0
f	0
cc	3

import { combineReducers } from "redux";
import {
  ExperienceWork,
  ExperienceEducation,
  ExperienceCommunity,
  ExperienceAward,
  ExperiencePersonal,
  Experience,
  ExperienceSkill,
} from "../../models/types";
import {
  ExperienceAction,
  FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED,
  FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED,
  CREATE_EXPERIENCE_SUCCEEDED,
  FETCH_EXPERIENCE_BY_APPLICANT_STARTED,
  FETCH_EXPERIENCE_BY_APPLICANT_FAILED,
  FETCH_EXPERIENCE_BY_APPLICATION_STARTED,
  FETCH_EXPERIENCE_BY_APPLICATION_FAILED,
  UPDATE_EXPERIENCE_STARTED,
  UPDATE_EXPERIENCE_SUCCEEDED,
  UPDATE_EXPERIENCE_FAILED,
  DELETE_EXPERIENCE_STARTED,
  DELETE_EXPERIENCE_SUCCEEDED,
  DELETE_EXPERIENCE_FAILED,
  CREATE_EXPERIENCE_SKILL_SUCCEEDED,
  UPDATE_EXPERIENCE_SKILL_SUCCEEDED,
  DELETE_EXPERIENCE_SKILL_SUCCEEDED,
  UPDATE_EXPERIENCE_SKILL_STARTED,
  DELETE_EXPERIENCE_SKILL_STARTED,
  UPDATE_EXPERIENCE_SKILL_FAILED,
  DELETE_EXPERIENCE_SKILL_FAILED,
  BATCH_CREATE_EXPERIENCE_SKILLS_SUCCEEDED,
  BATCH_UPDATE_EXPERIENCE_SKILLS_SUCCEEDED,
  BATCH_DELETE_EXPERIENCE_SKILLS_SUCCEEDED,
} from "./experienceActions";
import {
  mapToObject,
  getId,
  uniq,
  deleteProperty,
  mapObjectValues,
  flatten,
} from "../../helpers/queries";

export interface ExperienceSection<T> {
  byId: {
    [id: number]: T;
  };
  idsByApplicant: {
    [applicantId: number]: number[];
  };
  idsByApplication: {
    [applicationId: number]: number[];
  };
}

export interface EntityState {
  work: ExperienceSection<ExperienceWork>;
  education: ExperienceSection<ExperienceEducation>;
  community: ExperienceSection<ExperienceCommunity>;
  award: ExperienceSection<ExperienceAward>;
  personal: ExperienceSection<ExperiencePersonal>;
  experienceSkills: {
    byId: { [id: number]: ExperienceSkill };
    idsByWork: { [workId: number]: number[] };
    idsByEducation: { [educationId: number]: number[] };
    idsByCommunity: { [communityId: number]: number[] };
    idsByAward: { [awardId: number]: number[] };
    idsByPersonal: { [personalId: number]: number[] };
  };
}

export interface UiState {
  updatingByApplicant: {
    [id: number]: boolean;
  };
  updatingByApplication: {
    [id: number]: boolean;
  };
  updatingByTypeAndId: {
    work: {
      [id: number]: boolean;
    };
    education: {
      [id: number]: boolean;
    };
    community: {
      [id: number]: boolean;
    };
    award: {
      [id: number]: boolean;
    };
    personal: {
      [id: number]: boolean;
    };
  };
  updatingExperienceSkill: {
    [id: number]: boolean;
  };
}

export interface ExperienceState {
  entities: EntityState;
  ui: UiState;
}

export const initEntities = (): EntityState => ({
  work: {
    byId: {},
    idsByApplicant: {},
    idsByApplication: {},
  },
  education: {
    byId: {},
    idsByApplicant: {},
    idsByApplication: {},
  },
  community: {
    byId: {},
    idsByApplicant: {},
    idsByApplication: {},
  },
  award: {
    byId: {},
    idsByApplicant: {},
    idsByApplication: {},
  },
  personal: {
    byId: {},
    idsByApplicant: {},
    idsByApplication: {},
  },
  experienceSkills: {
    byId: {},
    idsByWork: {},
    idsByEducation: {},
    idsByCommunity: {},
    idsByAward: {},
    idsByPersonal: {},
  },
});

export const initUi = (): UiState => ({
  updatingByApplicant: {},
  updatingByApplication: {},
  updatingByTypeAndId: {
    work: {},
    education: {},
    community: {},
    award: {},
    personal: {},
  },
  updatingExperienceSkill: {},
});

export const initExperienceState = (): ExperienceState => ({
  entities: initEntities(),
  ui: initUi(),
});

function isWork(experience: Experience): experience is ExperienceWork {
  return experience.type === "experience_work";
}
function isEducation(
  experience: Experience,
): experience is ExperienceEducation {
  return experience.type === "experience_education";
}
function isCommunity(
  experience: Experience,
): experience is ExperienceCommunity {
  return experience.type === "experience_community";
}
function isAward(experience: Experience): experience is ExperienceAward {
  return experience.type === "experience_award";
}
function isPersonal(experience: Experience): experience is ExperiencePersonal {
  return experience.type === "experience_personal";
}

type EntityType = "work" | "education" | "community" | "award" | "personal";

const experienceTypeGuards = {
  work: isWork,
  education: isEducation,
  community: isCommunity,
  award: isAward,
  personal: isPersonal,
};

function massageType(experienceType: Experience["type"]): EntityType {
  const mapping: { [key in Experience["type"]]: EntityType } = {
    experience_work: "work",
    experience_education: "education",
    experience_community: "community",
    experience_award: "award",
    experience_personal: "personal",
  };
  return mapping[experienceType];
}

function fetchExperienceByApplication<T extends EntityType>(
  state: EntityState,
  action: ExperienceAction,
  type: T,
): EntityState[T] {
  const subState = state[type];
  if (action.type !== FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED) {
    return subState;
  }
  const typeFilter = experienceTypeGuards[type];
  const experiences = action.payload
    .map((response) => response.experience)
    .filter(typeFilter);
  return {
    ...subState,
    byId: {
      ...subState.byId,
      ...mapToObject(experiences, getId),
    },
    idsByApplication: {
      ...subState.idsByApplicant,
      [action.meta.applicationId]: experiences.map(getId),
    },
  };
}
function fetchExperienceByApplicant<T extends EntityType>(
  state: EntityState,
  action: ExperienceAction,
  type: T,
): EntityState[T] {
  const subState = state[type];
  if (action.type !== FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED) {
    return subState;
  }
  const typeFilter = experienceTypeGuards[type];
  const experiences = action.payload
    .map((response) => response.experience)
    .filter(typeFilter);
  return {
    ...subState,
    byId: {
      ...subState.byId,
      ...mapToObject(experiences, getId),
    },
    idsByApplicant: {
      ...subState.idsByApplicant,
      [action.meta.applicantId]: experiences.map(getId),
    },
  };
}

function setExperience<T extends EntityType>(
  state: EntityState,
  action: ExperienceAction,
  type: T,
): EntityState[T] {
  const subState = state[type];
  if (
    (action.type !== CREATE_EXPERIENCE_SUCCEEDED &&
      action.type !== UPDATE_EXPERIENCE_SUCCEEDED) ||
    massageType(action.meta.type) !== type
  ) {
    return subState;
  }
  const { experience } = action.payload;
  const ownerId = experience.experienceable_id;
  const idsByApplicant =
    experience.experienceable_type === "applicant"
      ? {
          ...subState.idsByApplicant,
          [ownerId]: uniq([
            ...(subState.idsByApplicant[ownerId] ?? []),
            experience.id,
          ]),
        }
      : subState.idsByApplicant;
  const idsByApplication =
    experience.experienceable_type === "application"
      ? {
          ...subState.idsByApplication,
          [ownerId]: uniq([
            ...(subState.idsByApplication[ownerId] ?? []),
            experience.id,
          ]),
        }
      : subState.idsByApplication;

  return {
    ...subState,
    byId: {
      ...subState.byId,
      [experience.id]: experience,
    },
    idsByApplicant,
    idsByApplication,
  };
}

function deleteExperience<T extends EntityType>(
  state: EntityState,
  action: ExperienceAction,
  type: T,
): EntityState[T] {
  const subState = state[type];
  if (
    action.type !== DELETE_EXPERIENCE_SUCCEEDED ||
    massageType(action.meta.type) !== type
  ) {
    return subState;
  }
  const dropId = (ids: number[]): number[] =>
    ids.filter((id) => id !== action.meta.id);
  return {
    ...subState,
    byId: deleteProperty(subState.byId, action.meta.id),
    idsByApplicant: mapObjectValues(subState.idsByApplicant, dropId),
    idsByApplication: mapObjectValues(subState.idsByApplication, dropId),
  };
}

function setExperienceSkills(
  state: EntityState,
  experienceSkills: ExperienceSkill[],
): EntityState["experienceSkills"] {
  const newExpSkills = mapToObject(experienceSkills, getId);
  const workSkills = experienceSkills.filter(
    (expSkill) => expSkill.experience_type === "experience_work",
  );
  const educationSkills = experienceSkills.filter(
    (expSkill) => expSkill.experience_type === "experience_education",
  );
  const communitySkills = experienceSkills.filter(
    (expSkill) => expSkill.experience_type === "experience_community",
  );
  const awardSkills = experienceSkills.filter(
    (expSkill) => expSkill.experience_type === "experience_award",
  );
  const personalSkills = experienceSkills.filter(
    (expSkill) => expSkill.experience_type === "experience_personal",
  );

  interface ExpToSkillIds {
    [expId: number]: number[];
  }
  const reducer = (
    acc: ExpToSkillIds,
    expSkill: ExperienceSkill,
  ): ExpToSkillIds => {
    const prevIds = acc[expSkill.experience_id] ?? [];
    return {
      ...acc,
      [expSkill.experience_id]: uniq([expSkill.id, ...prevIds]),
    };
  };
  return {
    byId: { ...state.experienceSkills.byId, ...newExpSkills },
    idsByWork: workSkills.reduce(reducer, state.experienceSkills.idsByWork),
    idsByEducation: educationSkills.reduce(
      reducer,
      state.experienceSkills.idsByEducation,
    ),
    idsByCommunity: communitySkills.reduce(
      reducer,
      state.experienceSkills.idsByCommunity,
    ),
    idsByAward: awardSkills.reduce(reducer, state.experienceSkills.idsByAward),
    idsByPersonal: personalSkills.reduce(
      reducer,
      state.experienceSkills.idsByPersonal,
    ),
  };
}

const experienceSkillKeys = {
  experience_work: "idsByWork",
  experience_education: "idsByEducation",
  experience_community: "idsByCommunity",
  experience_award: "idsByAward",
  experience_personal: "idsByPersonal",
};

function deleteExpSkillsForExperience(
  state: EntityState,
  experienceId: number,
  experienceType: Experience["type"],
): EntityState["experienceSkills"] {
  const experienceKey = experienceSkillKeys[experienceType];
  const expSkillIds: number[] =
    state.experienceSkills[experienceKey][experienceId] ?? [];
  return {
    ...state.experienceSkills,
    [experienceKey]: deleteProperty(
      state.experienceSkills[experienceKey],
      experienceId,
    ),
    byId: expSkillIds.reduce(
      (byId, deleteId) => deleteProperty(byId, deleteId),
      state.experienceSkills.byId,
    ),
  };
}

function deleteExperienceSkill(
  state: EntityState,
  experienceSkillId: number,
  experienceId: number,
  experienceType: ExperienceSkill["experience_type"],
): EntityState["experienceSkills"] {
  const experienceKey = experienceSkillKeys[experienceType];
  return {
    ...state.experienceSkills,
    [experienceKey]: {
      ...state.experienceSkills[experienceKey],
      [experienceId]: state.experienceSkills[experienceKey][
        experienceId
      ].filter((id) => id !== experienceSkillId),
    },
    byId: deleteProperty(state.experienceSkills.byId, experienceSkillId),
  };
}

function batchDeleteExperienceSkills(
  state: EntityState,
  experienceSkills: ExperienceSkill[],
): EntityState {
  return experienceSkills.reduce((newState, expSkill) => {
    return {
      ...newState,
      experienceSkills: deleteExperienceSkill(
        newState,
        expSkill.id,
        expSkill.experience_id,
        expSkill.experience_type,
      ),
    };
  }, state);
}

export const entitiesReducer = (
  state = initEntities(),
  action: ExperienceAction,
): EntityState => {
  switch (action.type) {
    case FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED:
      return {
        ...state,
        work: fetchExperienceByApplicant(state, action, "work"),
        education: fetchExperienceByApplicant(state, action, "education"),
        community: fetchExperienceByApplicant(state, action, "community"),
        award: fetchExperienceByApplicant(state, action, "award"),
        personal: fetchExperienceByApplicant(state, action, "personal"),
        experienceSkills: setExperienceSkills(
          state,
          flatten(action.payload.map((response) => response.experienceSkills)),
        ),
      };
    case FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED:
      return {
        ...state,
        work: fetchExperienceByApplication(state, action, "work"),
        education: fetchExperienceByApplication(state, action, "education"),
        community: fetchExperienceByApplication(state, action, "community"),
        award: fetchExperienceByApplication(state, action, "award"),
        personal: fetchExperienceByApplication(state, action, "personal"),
        experienceSkills: setExperienceSkills(
          state,
          flatten(action.payload.map((response) => response.experienceSkills)),
        ),
      };
    case CREATE_EXPERIENCE_SUCCEEDED:
    case UPDATE_EXPERIENCE_SUCCEEDED:
      return {
        ...state,
        [massageType(action.meta.type)]: setExperience(
          state,
          action,
          massageType(action.meta.type),
        ),
      };
    case DELETE_EXPERIENCE_SUCCEEDED:
      return {
        ...state,
        [massageType(action.meta.type)]: deleteExperience(
          state,
          action,
          massageType(action.meta.type),
        ),
        experienceSkills: deleteExpSkillsForExperience(
          state,
          action.meta.id,
          action.meta.type,
        ),
      };
    case CREATE_EXPERIENCE_SKILL_SUCCEEDED:
    case UPDATE_EXPERIENCE_SKILL_SUCCEEDED:
      return {
        ...state,
        experienceSkills: setExperienceSkills(state, [action.payload]),
      };
    case DELETE_EXPERIENCE_SKILL_SUCCEEDED:
      return {
        ...state,
        experienceSkills: deleteExperienceSkill(
          state,
          action.meta.id,
          action.meta.experienceId,
          action.meta.experienceType,
        ),
      };
    case BATCH_CREATE_EXPERIENCE_SKILLS_SUCCEEDED:
    case BATCH_UPDATE_EXPERIENCE_SKILLS_SUCCEEDED:
      return {
        ...state,
        experienceSkills: setExperienceSkills(state, action.payload),
      };
    case BATCH_DELETE_EXPERIENCE_SKILLS_SUCCEEDED:
      return {
        ...batchDeleteExperienceSkills(state, action.meta),
      };
    default:
      return state;
  }
};

export const uiReducer = (
  state = initUi(),
  action: ExperienceAction,
): UiState => {
  switch (action.type) {
    case FETCH_EXPERIENCE_BY_APPLICANT_STARTED:
      return {
        ...state,
        updatingByApplicant: {
          ...state.updatingByApplicant,
          [action.meta.applicantId]: true,
        },
      };
    case FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED:
    case FETCH_EXPERIENCE_BY_APPLICANT_FAILED:
      return {
        ...state,
        updatingByApplicant: {
          ...state.updatingByApplicant,
          [action.meta.applicantId]: false,
        },
      };
    case FETCH_EXPERIENCE_BY_APPLICATION_STARTED:
      return {
        ...state,
        updatingByApplication: {
          ...state.updatingByApplication,
          [action.meta.applicationId]: true,
        },
      };
    case FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED:
    case FETCH_EXPERIENCE_BY_APPLICATION_FAILED:
      return {
        ...state,
        updatingByApplication: {
          ...state.updatingByApplication,
          [action.meta.applicationId]: false,
        },
      };
    case UPDATE_EXPERIENCE_STARTED:
    case DELETE_EXPERIENCE_STARTED:
      return {
        ...state,
        updatingByTypeAndId: {
          ...state.updatingByTypeAndId,
          [massageType(action.meta.type)]: {
            ...state.updatingByTypeAndId[massageType(action.meta.type)],
            [action.meta.id]: true,
          },
        },
      };
    case UPDATE_EXPERIENCE_SUCCEEDED:
    case DELETE_EXPERIENCE_SUCCEEDED:
    case UPDATE_EXPERIENCE_FAILED:
    case DELETE_EXPERIENCE_FAILED:
      return {
        ...state,
        updatingByTypeAndId: {
          ...state.updatingByTypeAndId,
          [massageType(action.meta.type)]: {
            ...state.updatingByTypeAndId[massageType(action.meta.type)],
            [action.meta.id]: false,
          },
        },
      };
    case UPDATE_EXPERIENCE_SKILL_STARTED:
    case DELETE_EXPERIENCE_SKILL_STARTED:
      return {
        ...state,
        updatingExperienceSkill: {
          ...state.updatingExperienceSkill,
          [action.meta.id]: true,
        },
      };
    case UPDATE_EXPERIENCE_SKILL_SUCCEEDED:
    case UPDATE_EXPERIENCE_SKILL_FAILED:
    case DELETE_EXPERIENCE_SKILL_SUCCEEDED:
    case DELETE_EXPERIENCE_SKILL_FAILED:
      return {
        ...state,
        updatingExperienceSkill: {
          ...state.updatingExperienceSkill,
          [action.meta.id]: false,
        },
      };
    default:
      return state;
  }
};

export const experienceReducer = combineReducers({
  entities: entitiesReducer,
  ui: uiReducer,
});

export default experienceReducer;


1			import { combineReducers } from "redux";
2			import {
3			ExperienceWork,
4			ExperienceEducation,
5			ExperienceCommunity,
6			ExperienceAward,
7			ExperiencePersonal,
8			Experience,
9			ExperienceSkill,
10			} from "../../models/types";
11			import {
12			ExperienceAction,
13			FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED,
14			FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED,
15			CREATE_EXPERIENCE_SUCCEEDED,
16			FETCH_EXPERIENCE_BY_APPLICANT_STARTED,
17			FETCH_EXPERIENCE_BY_APPLICANT_FAILED,
18			FETCH_EXPERIENCE_BY_APPLICATION_STARTED,
19			FETCH_EXPERIENCE_BY_APPLICATION_FAILED,
20			UPDATE_EXPERIENCE_STARTED,
21			UPDATE_EXPERIENCE_SUCCEEDED,
22			UPDATE_EXPERIENCE_FAILED,
23			DELETE_EXPERIENCE_STARTED,
24			DELETE_EXPERIENCE_SUCCEEDED,
25			DELETE_EXPERIENCE_FAILED,
26			CREATE_EXPERIENCE_SKILL_SUCCEEDED,
27			UPDATE_EXPERIENCE_SKILL_SUCCEEDED,
28			DELETE_EXPERIENCE_SKILL_SUCCEEDED,
29			UPDATE_EXPERIENCE_SKILL_STARTED,
30			DELETE_EXPERIENCE_SKILL_STARTED,
31			UPDATE_EXPERIENCE_SKILL_FAILED,
32			DELETE_EXPERIENCE_SKILL_FAILED,
33			BATCH_CREATE_EXPERIENCE_SKILLS_SUCCEEDED,
34			BATCH_UPDATE_EXPERIENCE_SKILLS_SUCCEEDED,
35			BATCH_DELETE_EXPERIENCE_SKILLS_SUCCEEDED,
36			} from "./experienceActions";
37			import {
38			mapToObject,
39			getId,
40			uniq,
41			deleteProperty,
42			mapObjectValues,
43			flatten,
44			} from "../../helpers/queries";
45
46			export interface ExperienceSection<T> {
47			byId: {
48			[id: number]: T;
49			};
50			idsByApplicant: {
51			[applicantId: number]: number[];
52			};
53			idsByApplication: {
54			[applicationId: number]: number[];
55			};
56			}
57
58			export interface EntityState {
59			work: ExperienceSection<ExperienceWork>;
60			education: ExperienceSection<ExperienceEducation>;
61			community: ExperienceSection<ExperienceCommunity>;
62			award: ExperienceSection<ExperienceAward>;
63			personal: ExperienceSection<ExperiencePersonal>;
64			experienceSkills: {
65			byId: { [id: number]: ExperienceSkill };
66			idsByWork: { [workId: number]: number[] };
67			idsByEducation: { [educationId: number]: number[] };
68			idsByCommunity: { [communityId: number]: number[] };
69			idsByAward: { [awardId: number]: number[] };
70			idsByPersonal: { [personalId: number]: number[] };
71			};
72			}
73
74			export interface UiState {
75			updatingByApplicant: {
76			[id: number]: boolean;
77			};
78			updatingByApplication: {
79			[id: number]: boolean;
80			};
81			updatingByTypeAndId: {
82			work: {
83			[id: number]: boolean;
84			};
85			education: {
86			[id: number]: boolean;
87			};
88			community: {
89			[id: number]: boolean;
90			};
91			award: {
92			[id: number]: boolean;
93			};
94			personal: {
95			[id: number]: boolean;
96			};
97			};
98			updatingExperienceSkill: {
99			[id: number]: boolean;
100			};
101			}
102
103			export interface ExperienceState {
104			entities: EntityState;
105			ui: UiState;
106			}
107
108			export const initEntities = (): EntityState => ({
109			work: {
110			byId: {},
111			idsByApplicant: {},
112			idsByApplication: {},
113			},
114			education: {
115			byId: {},
116			idsByApplicant: {},
117			idsByApplication: {},
118			},
119			community: {
120			byId: {},
121			idsByApplicant: {},
122			idsByApplication: {},
123			},
124			award: {
125			byId: {},
126			idsByApplicant: {},
127			idsByApplication: {},
128			},
129			personal: {
130			byId: {},
131			idsByApplicant: {},
132			idsByApplication: {},
133			},
134			experienceSkills: {
135			byId: {},
136			idsByWork: {},
137			idsByEducation: {},
138			idsByCommunity: {},
139			idsByAward: {},
140			idsByPersonal: {},
141			},
142			});
143
144			export const initUi = (): UiState => ({
145			updatingByApplicant: {},
146			updatingByApplication: {},
147			updatingByTypeAndId: {
148			work: {},
149			education: {},
150			community: {},
151			award: {},
152			personal: {},
153			},
154			updatingExperienceSkill: {},
155			});
156
157			export const initExperienceState = (): ExperienceState => ({
158			entities: initEntities(),
159			ui: initUi(),
160			});
161
162			function isWork(experience: Experience): experience is ExperienceWork {
163			return experience.type === "experience_work";
164			}
165			function isEducation(
166			experience: Experience,
167			): experience is ExperienceEducation {
168			return experience.type === "experience_education";
169			}
170			function isCommunity(
171			experience: Experience,
172			): experience is ExperienceCommunity {
173			return experience.type === "experience_community";
174			}
175			function isAward(experience: Experience): experience is ExperienceAward {
176			return experience.type === "experience_award";
177			}
178			function isPersonal(experience: Experience): experience is ExperiencePersonal {
179			return experience.type === "experience_personal";
180			}
181
182			type EntityType = "work" \| "education" \| "community" \| "award" \| "personal";
183
184			const experienceTypeGuards = {
185			work: isWork,
186			education: isEducation,
187			community: isCommunity,
188			award: isAward,
189			personal: isPersonal,
190			};
191
192			function massageType(experienceType: Experience["type"]): EntityType {
193			const mapping: { [key in Experience["type"]]: EntityType } = {
194			experience_work: "work",
195			experience_education: "education",
196			experience_community: "community",
197			experience_award: "award",
198			experience_personal: "personal",
199			};
200			return mapping[experienceType];
201			}
202
203			function fetchExperienceByApplication<T extends EntityType>(
204			state: EntityState,
205			action: ExperienceAction,
206			type: T,
207			): EntityState[T] {
208			const subState = state[type];
209			if (action.type !== FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED) {
210			return subState;
211			}
212			const typeFilter = experienceTypeGuards[type];
213			const experiences = action.payload
214			.map((response) => response.experience)
215			.filter(typeFilter);
216			return {
217			...subState,
218			byId: {
219			...subState.byId,
220			...mapToObject(experiences, getId),
221			},
222			idsByApplication: {
223			...subState.idsByApplicant,
224			[action.meta.applicationId]: experiences.map(getId),
225			},
226			};
227			}
228			function fetchExperienceByApplicant<T extends EntityType>(
229			state: EntityState,
230			action: ExperienceAction,
231			type: T,
232			): EntityState[T] {
233			const subState = state[type];
234			if (action.type !== FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED) {
235			return subState;
236			}
237			const typeFilter = experienceTypeGuards[type];
238			const experiences = action.payload
239			.map((response) => response.experience)
240			.filter(typeFilter);
241			return {
242			...subState,
243			byId: {
244			...subState.byId,
245			...mapToObject(experiences, getId),
246			},
247			idsByApplicant: {
248			...subState.idsByApplicant,
249			[action.meta.applicantId]: experiences.map(getId),
250			},
251			};
252			}
253
254			function setExperience<T extends EntityType>(
255			state: EntityState,
256			action: ExperienceAction,
257			type: T,
258			): EntityState[T] {
259			const subState = state[type];
260			if (
261			(action.type !== CREATE_EXPERIENCE_SUCCEEDED &&
262			action.type !== UPDATE_EXPERIENCE_SUCCEEDED) \|\|
263			massageType(action.meta.type) !== type
264			) {
265			return subState;
266			}
267			const { experience } = action.payload;
268			const ownerId = experience.experienceable_id;
269			const idsByApplicant =
270			experience.experienceable_type === "applicant"
271			? {
272			...subState.idsByApplicant,
273			[ownerId]: uniq([
274			...(subState.idsByApplicant[ownerId] ?? []),
275			experience.id,
276			]),
277			}
278			: subState.idsByApplicant;
279			const idsByApplication =
280			experience.experienceable_type === "application"
281			? {
282			...subState.idsByApplication,
283			[ownerId]: uniq([
284			...(subState.idsByApplication[ownerId] ?? []),
285			experience.id,
286			]),
287			}
288			: subState.idsByApplication;
289
290			return {
291			...subState,
292			byId: {
293			...subState.byId,
294			[experience.id]: experience,
295			},
296			idsByApplicant,
297			idsByApplication,
298			};
299			}
300
301			function deleteExperience<T extends EntityType>(
302			state: EntityState,
303			action: ExperienceAction,
304			type: T,
305			): EntityState[T] {
306			const subState = state[type];
307			if (
308			action.type !== DELETE_EXPERIENCE_SUCCEEDED \|\|
309			massageType(action.meta.type) !== type
310			) {
311			return subState;
312			}
313			const dropId = (ids: number[]): number[] =>
314			ids.filter((id) => id !== action.meta.id);
315			return {
316			...subState,
317			byId: deleteProperty(subState.byId, action.meta.id),
318			idsByApplicant: mapObjectValues(subState.idsByApplicant, dropId),
319			idsByApplication: mapObjectValues(subState.idsByApplication, dropId),
320			};
321			}
322
323			function setExperienceSkills(
324			state: EntityState,
325			experienceSkills: ExperienceSkill[],
326			): EntityState["experienceSkills"] {
327			const newExpSkills = mapToObject(experienceSkills, getId);
328			const workSkills = experienceSkills.filter(
329			(expSkill) => expSkill.experience_type === "experience_work",
330			);
331			const educationSkills = experienceSkills.filter(
332			(expSkill) => expSkill.experience_type === "experience_education",
333			);
334			const communitySkills = experienceSkills.filter(
335			(expSkill) => expSkill.experience_type === "experience_community",
336			);
337			const awardSkills = experienceSkills.filter(
338			(expSkill) => expSkill.experience_type === "experience_award",
339			);
340			const personalSkills = experienceSkills.filter(
341			(expSkill) => expSkill.experience_type === "experience_personal",
342			);
343
344			interface ExpToSkillIds {
345			[expId: number]: number[];
346			}
347			const reducer = (
348			acc: ExpToSkillIds,
349			expSkill: ExperienceSkill,
350			): ExpToSkillIds => {
351			const prevIds = acc[expSkill.experience_id] ?? [];
352			return {
353			...acc,
354			[expSkill.experience_id]: uniq([expSkill.id, ...prevIds]),
355			};
356			};
357			return {
358			byId: { ...state.experienceSkills.byId, ...newExpSkills },
359			idsByWork: workSkills.reduce(reducer, state.experienceSkills.idsByWork),
360			idsByEducation: educationSkills.reduce(
361			reducer,
362			state.experienceSkills.idsByEducation,
363			),
364			idsByCommunity: communitySkills.reduce(
365			reducer,
366			state.experienceSkills.idsByCommunity,
367			),
368			idsByAward: awardSkills.reduce(reducer, state.experienceSkills.idsByAward),
369			idsByPersonal: personalSkills.reduce(
370			reducer,
371			state.experienceSkills.idsByPersonal,
372			),
373			};
374			}
375
376			const experienceSkillKeys = {
377			experience_work: "idsByWork",
378			experience_education: "idsByEducation",
379			experience_community: "idsByCommunity",
380			experience_award: "idsByAward",
381			experience_personal: "idsByPersonal",
382			};
383
384			function deleteExpSkillsForExperience(
385			state: EntityState,
386			experienceId: number,
387			experienceType: Experience["type"],
388			): EntityState["experienceSkills"] {
389			const experienceKey = experienceSkillKeys[experienceType];
390			const expSkillIds: number[] =
391			state.experienceSkills[experienceKey][experienceId] ?? [];
392			return {
393			...state.experienceSkills,
394			[experienceKey]: deleteProperty(
395			state.experienceSkills[experienceKey],
396			experienceId,
397			),
398			byId: expSkillIds.reduce(
399			(byId, deleteId) => deleteProperty(byId, deleteId),
400			state.experienceSkills.byId,
401			),
402			};
403			}
404
405			function deleteExperienceSkill(
406			state: EntityState,
407			experienceSkillId: number,
408			experienceId: number,
409			experienceType: ExperienceSkill["experience_type"],
410			): EntityState["experienceSkills"] {
411			const experienceKey = experienceSkillKeys[experienceType];
412			return {
413			...state.experienceSkills,
414			[experienceKey]: {
415			...state.experienceSkills[experienceKey],
416			[experienceId]: state.experienceSkills[experienceKey][
417			experienceId
418			].filter((id) => id !== experienceSkillId),
419			},
420			byId: deleteProperty(state.experienceSkills.byId, experienceSkillId),
421			};
422			}
423
424			function batchDeleteExperienceSkills(
425			state: EntityState,
426			experienceSkills: ExperienceSkill[],
427			): EntityState {
428			return experienceSkills.reduce((newState, expSkill) => {
429			return {
430			...newState,
431			experienceSkills: deleteExperienceSkill(
432			newState,
433			expSkill.id,
434			expSkill.experience_id,
435			expSkill.experience_type,
436			),
437			};
438			}, state);
439			}
440
441			export const entitiesReducer = (
442			state = initEntities(),
443			action: ExperienceAction,
444			): EntityState => {
445			switch (action.type) {
446			case FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED:
447			return {
448			...state,
449			work: fetchExperienceByApplicant(state, action, "work"),
450			education: fetchExperienceByApplicant(state, action, "education"),
451			community: fetchExperienceByApplicant(state, action, "community"),
452			award: fetchExperienceByApplicant(state, action, "award"),
453			personal: fetchExperienceByApplicant(state, action, "personal"),
454			experienceSkills: setExperienceSkills(
455			state,
456			flatten(action.payload.map((response) => response.experienceSkills)),
457			),
458			};
459			case FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED:
460			return {
461			...state,
462			work: fetchExperienceByApplication(state, action, "work"),
463			education: fetchExperienceByApplication(state, action, "education"),
464			community: fetchExperienceByApplication(state, action, "community"),
465			award: fetchExperienceByApplication(state, action, "award"),
466			personal: fetchExperienceByApplication(state, action, "personal"),
467			experienceSkills: setExperienceSkills(
468			state,
469			flatten(action.payload.map((response) => response.experienceSkills)),
470			),
471			};
472			case CREATE_EXPERIENCE_SUCCEEDED:
473			case UPDATE_EXPERIENCE_SUCCEEDED:
474			return {
475			...state,
476			[massageType(action.meta.type)]: setExperience(
477			state,
478			action,
479			massageType(action.meta.type),
480			),
481			};
482			case DELETE_EXPERIENCE_SUCCEEDED:
483			return {
484			...state,
485			[massageType(action.meta.type)]: deleteExperience(
486			state,
487			action,
488			massageType(action.meta.type),
489			),
490			experienceSkills: deleteExpSkillsForExperience(
491			state,
492			action.meta.id,
493			action.meta.type,
494			),
495			};
496			case CREATE_EXPERIENCE_SKILL_SUCCEEDED:
497			case UPDATE_EXPERIENCE_SKILL_SUCCEEDED:
498			return {
499			...state,
500			experienceSkills: setExperienceSkills(state, [action.payload]),
501			};
502			case DELETE_EXPERIENCE_SKILL_SUCCEEDED:
503			return {
504			...state,
505			experienceSkills: deleteExperienceSkill(
506			state,
507			action.meta.id,
508			action.meta.experienceId,
509			action.meta.experienceType,
510			),
511			};
512			case BATCH_CREATE_EXPERIENCE_SKILLS_SUCCEEDED:
513			case BATCH_UPDATE_EXPERIENCE_SKILLS_SUCCEEDED:
514			return {
515			...state,
516			experienceSkills: setExperienceSkills(state, action.payload),
517			};
518			case BATCH_DELETE_EXPERIENCE_SKILLS_SUCCEEDED:
519			return {
520			...batchDeleteExperienceSkills(state, action.meta),
521			};
522			default:
523			return state;
524			}
525			};
526
527			export const uiReducer = (
528			state = initUi(),
529			action: ExperienceAction,
530			): UiState => {
531			switch (action.type) {
532			case FETCH_EXPERIENCE_BY_APPLICANT_STARTED:
533			return {
534			...state,
535			updatingByApplicant: {
536			...state.updatingByApplicant,
537			[action.meta.applicantId]: true,
538			},
539			};
540			case FETCH_EXPERIENCE_BY_APPLICANT_SUCCEEDED:
541			case FETCH_EXPERIENCE_BY_APPLICANT_FAILED:
542			return {
543			...state,
544			updatingByApplicant: {
545			...state.updatingByApplicant,
546			[action.meta.applicantId]: false,
547			},
548			};
549			case FETCH_EXPERIENCE_BY_APPLICATION_STARTED:
550			return {
551			...state,
552			updatingByApplication: {
553			...state.updatingByApplication,
554			[action.meta.applicationId]: true,
555			},
556			};
557			case FETCH_EXPERIENCE_BY_APPLICATION_SUCCEEDED:
558			case FETCH_EXPERIENCE_BY_APPLICATION_FAILED:
559			return {
560			...state,
561			updatingByApplication: {
562			...state.updatingByApplication,
563			[action.meta.applicationId]: false,
564			},
565			};
566			case UPDATE_EXPERIENCE_STARTED:
567			case DELETE_EXPERIENCE_STARTED:
568			return {
569			...state,
570			updatingByTypeAndId: {
571			...state.updatingByTypeAndId,
572			[massageType(action.meta.type)]: {
573			...state.updatingByTypeAndId[massageType(action.meta.type)],
574			[action.meta.id]: true,
575			},
576			},
577			};
578			case UPDATE_EXPERIENCE_SUCCEEDED:
579			case DELETE_EXPERIENCE_SUCCEEDED:
580			case UPDATE_EXPERIENCE_FAILED:
581			case DELETE_EXPERIENCE_FAILED:
582			return {
583			...state,
584			updatingByTypeAndId: {
585			...state.updatingByTypeAndId,
586			[massageType(action.meta.type)]: {
587			...state.updatingByTypeAndId[massageType(action.meta.type)],
588			[action.meta.id]: false,
589			},
590			},
591			};
592			case UPDATE_EXPERIENCE_SKILL_STARTED:
593			case DELETE_EXPERIENCE_SKILL_STARTED:
594			return {
595			...state,
596			updatingExperienceSkill: {
597			...state.updatingExperienceSkill,
598			[action.meta.id]: true,
599			},
600			};
601			case UPDATE_EXPERIENCE_SKILL_SUCCEEDED:
602			case UPDATE_EXPERIENCE_SKILL_FAILED:
603			case DELETE_EXPERIENCE_SKILL_SUCCEEDED:
604			case DELETE_EXPERIENCE_SKILL_FAILED:
605			return {
606			...state,
607			updatingExperienceSkill: {
608			...state.updatingExperienceSkill,
609			[action.meta.id]: false,
610			},
611			};
612			default:
613			return state;
614			}
615			};
616
617			export const experienceReducer = combineReducers({
618			entities: entitiesReducer,
619			ui: uiReducer,
620			});
621
622			export default experienceReducer;
623

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