refactor: configure cache api clients via constructor options

app/javascript/dashboard/api/CacheEnabledApiClient.js

@@ -5,14 +5,15 @@ import ApiClient from './ApiClient';
 class CacheEnabledApiClient extends ApiClient {
   constructor(resource, options = {}) {
     super(resource, options);
+    // `cacheModel` is the Rails Model.name.underscore value — simultaneously
+    // the server cache-key name and the IDB object-store name.
+    this.cacheModelName = options.cacheModel;
+    // inbox/label endpoints wrap collections in { payload }; the rest return
+    // the bare array.
+    this.payloadEnvelope = options.payloadEnvelope || false;
     this.dataManager = new DataManager(this.accountIdFromRoute);
   }
 
-  // eslint-disable-next-line class-methods-use-this
-  get cacheModelName() {
-    throw new Error('cacheModelName is not defined');
-  }
-
   get(cache = false) {
     if (cache) {
       return this.getFromCache();
@@ -25,14 +26,14 @@ class CacheEnabledApiClient extends ApiClient {
     return axios.get(this.url);
   }
 
-  // eslint-disable-next-line class-methods-use-this
   extractDataFromResponse(response) {
-    return response.data.payload;
+    return this.payloadEnvelope ? response.data.payload : response.data;
   }
 
-  // eslint-disable-next-line class-methods-use-this
   marshallData(dataToParse) {
-    return { data: { payload: dataToParse } };
+    return this.payloadEnvelope
+      ? { data: { payload: dataToParse } }
+      : { data: dataToParse };
   }
 
   async getFromCache() {

app/javascript/dashboard/api/agents.js

@@ -4,22 +4,7 @@ import CacheEnabledApiClient from './CacheEnabledApiClient';
 
 class Agents extends CacheEnabledApiClient {
   constructor() {
-    super('agents', { accountScoped: true });
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  get cacheModelName() {
-    return 'account_user';
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  extractDataFromResponse(response) {
-    return response.data;
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  marshallData(dataToParse) {
-    return { data: dataToParse };
+    super('agents', { accountScoped: true, cacheModel: 'account_user' });
   }
 
   bulkInvite({ emails }) {

app/javascript/dashboard/api/attributes.js

@@ -2,22 +2,10 @@ import CacheEnabledApiClient from './CacheEnabledApiClient';
 
 class AttributeAPI extends CacheEnabledApiClient {
   constructor() {
-    super('custom_attribute_definitions', { accountScoped: true });
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  get cacheModelName() {
-    return 'custom_attribute_definition';
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  extractDataFromResponse(response) {
-    return response.data;
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  marshallData(dataToParse) {
-    return { data: dataToParse };
+    super('custom_attribute_definitions', {
+      accountScoped: true,
+      cacheModel: 'custom_attribute_definition',
+    });
   }
 
   getAttributesByModel() {

app/javascript/dashboard/api/cannedResponse.js

@@ -4,22 +4,10 @@ import CacheEnabledApiClient from './CacheEnabledApiClient';
 
 class CannedResponse extends CacheEnabledApiClient {
   constructor() {
-    super('canned_responses', { accountScoped: true });
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  get cacheModelName() {
-    return 'canned_response';
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  extractDataFromResponse(response) {
-    return response.data;
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  marshallData(dataToParse) {
-    return { data: dataToParse };
+    super('canned_responses', {
+      accountScoped: true,
+      cacheModel: 'canned_response',
+    });
   }
 
   get({ searchKey } = {}) {

app/javascript/dashboard/api/inboxes.js

@@ -3,12 +3,11 @@ import CacheEnabledApiClient from './CacheEnabledApiClient';
 
 class Inboxes extends CacheEnabledApiClient {
   constructor() {
-    super('inboxes', { accountScoped: true });
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  get cacheModelName() {
-    return 'inbox';
+    super('inboxes', {
+      accountScoped: true,
+      cacheModel: 'inbox',
+      payloadEnvelope: true,
+    });
   }
 
   getCampaigns(inboxId) {

app/javascript/dashboard/api/labels.js

@@ -2,12 +2,11 @@ import CacheEnabledApiClient from './CacheEnabledApiClient';
 
 class LabelsAPI extends CacheEnabledApiClient {
   constructor() {
-    super('labels', { accountScoped: true });
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  get cacheModelName() {
-    return 'label';
+    super('labels', {
+      accountScoped: true,
+      cacheModel: 'label',
+      payloadEnvelope: true,
+    });
   }
 }
 

app/javascript/dashboard/api/teams.js

@@ -1,25 +1,9 @@
 /* global axios */
-// import ApiClient from './ApiClient';
 import CacheEnabledApiClient from './CacheEnabledApiClient';
 
 export class TeamsAPI extends CacheEnabledApiClient {
   constructor() {
-    super('teams', { accountScoped: true });
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  get cacheModelName() {
-    return 'team';
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  extractDataFromResponse(response) {
-    return response.data;
-  }
-
-  // eslint-disable-next-line class-methods-use-this
-  marshallData(dataToParse) {
-    return { data: dataToParse };
+    super('teams', { accountScoped: true, cacheModel: 'team' });
   }
 
   getAgents({ teamId }) {