Matteo Scandolo | 1aee198 | 2017-02-17 08:33:23 -0800 | [diff] [blame] | 1 | // TODO test me hard!!! |
| 2 | |
| 3 | import * as _ from 'lodash'; |
| 4 | import {IXosModeldefsService, IXosModeldef, IXosModelDefsField, IXosModelDefsRelation} from '../rest/modeldefs.rest'; |
| 5 | import {IXosTableCfg} from '../../core/table/table'; |
| 6 | import {IXosFormCfg} from '../../core/form/form'; |
| 7 | import {IXosNavigationService} from '../../core/services/navigation'; |
| 8 | import {IXosConfigHelpersService} from '../../core/services/helpers/config.helpers'; |
| 9 | import {IXosRuntimeStatesService, IXosState} from '../../core/services/runtime-states'; |
| 10 | import {IXosModelStoreService} from '../stores/model.store'; |
| 11 | |
| 12 | export interface IXosModel { |
| 13 | name: string; // the model name |
| 14 | app: string; // the service to wich it belong |
| 15 | fields: IXosModelDefsField[]; |
| 16 | relations?: IXosModelDefsRelation[]; |
| 17 | backendUrl?: string; // the api endpoint |
| 18 | clientUrl?: string; // the view url |
| 19 | tableCfg?: IXosTableCfg; |
| 20 | formCfg?: IXosFormCfg; |
| 21 | } |
| 22 | |
| 23 | // Service |
| 24 | export interface IXosModelDiscovererService { |
| 25 | discover(): ng.IPromise<boolean>; |
| 26 | get(modelName: string): IXosModel; |
| 27 | } |
| 28 | |
| 29 | export class XosModelDiscovererService implements IXosModelDiscovererService { |
| 30 | static $inject = [ |
| 31 | '$log', |
| 32 | '$q', |
| 33 | 'XosModelDefs', |
| 34 | 'ConfigHelpers', |
| 35 | 'XosRuntimeStates', |
| 36 | 'XosNavigationService', |
| 37 | 'XosModelStore' |
| 38 | ]; |
| 39 | private xosModels: IXosModel[] = []; // list of augmented model definitions; |
| 40 | private xosServices: string[] = []; // list of loaded services |
| 41 | |
| 42 | constructor ( |
| 43 | private $log: ng.ILogService, |
| 44 | private $q: ng.IQService, |
| 45 | private XosModelDefs: IXosModeldefsService, |
| 46 | private ConfigHelpers: IXosConfigHelpersService, |
| 47 | private XosRuntimeStates: IXosRuntimeStatesService, |
| 48 | private XosNavigationService: IXosNavigationService, |
| 49 | private XosModelStore: IXosModelStoreService |
| 50 | ) { |
| 51 | } |
| 52 | |
| 53 | public get(modelName: string): IXosModel|null { |
| 54 | return _.find(this.xosModels, m => m.name === modelName); |
| 55 | } |
| 56 | |
| 57 | public discover() { |
| 58 | const d = this.$q.defer(); |
| 59 | |
| 60 | this.XosModelDefs.get() |
| 61 | .then((modelsDef: IXosModeldef[]) => { |
| 62 | |
| 63 | const pArray = []; |
| 64 | _.forEach(modelsDef, (model: IXosModeldef) => { |
Matteo Scandolo | c80ccbd | 2017-02-27 16:24:33 -0800 | [diff] [blame] | 65 | this.$log.debug(`[XosModelDiscovererService] Loading: ${model.name}`); |
Matteo Scandolo | 1aee198 | 2017-02-17 08:33:23 -0800 | [diff] [blame] | 66 | let p = this.cacheModelEntries(model) |
| 67 | .then(model => { |
| 68 | return this.addState(model); |
| 69 | }) |
| 70 | .then(model => { |
| 71 | return this.addNavItem(model); |
| 72 | }) |
| 73 | .then(model => { |
| 74 | return this.getTableCfg(model); |
| 75 | }) |
| 76 | .then(model => { |
| 77 | return this.getFormCfg(model); |
| 78 | }) |
| 79 | .then(model => { |
| 80 | return this.storeModel(model); |
| 81 | }) |
| 82 | .then(model => { |
| 83 | this.$log.debug(`[XosModelDiscovererService] Model ${model.name} stored`); |
| 84 | return this.$q.resolve(); |
| 85 | }) |
| 86 | .catch(err => { |
| 87 | this.$log.error(`[XosModelDiscovererService] Model ${model.name} NOT stored`); |
| 88 | // NOTE why this does not resolve????? |
| 89 | // return this.$q.resolve(); |
| 90 | return this.$q.reject(); |
| 91 | }); |
| 92 | pArray.push(p); |
| 93 | }); |
| 94 | this.$q.all(pArray) |
| 95 | .then(() => { |
| 96 | d.resolve(true); |
| 97 | this.$log.info('[XosModelDiscovererService] All models loaded!'); |
| 98 | }) |
| 99 | .catch(() => { |
| 100 | d.resolve(false); |
| 101 | }); |
| 102 | }); |
| 103 | return d.promise; |
| 104 | } |
| 105 | |
| 106 | private serviceNameFromAppName(appName: string): string { |
| 107 | return appName.replace('services.', ''); |
| 108 | } |
| 109 | |
| 110 | private stateNameFromModel(model: IXosModel): string { |
| 111 | return `xos.${this.serviceNameFromAppName(model.app)}.${model.name.toLowerCase()}`; |
| 112 | } |
| 113 | |
| 114 | private getParentStateFromModel(model: IXosModel): string { |
| 115 | let parentState: string; |
| 116 | if (model.app === 'core') { |
| 117 | parentState = 'xos.core'; |
| 118 | } |
| 119 | else { |
| 120 | const serviceName = this.addService(model); |
| 121 | parentState = `xos.${serviceName}`; |
| 122 | } |
| 123 | return parentState; |
| 124 | } |
| 125 | |
| 126 | private getApiUrlFromModel(model: IXosModel): string { |
| 127 | if (model.app === 'core') { |
| 128 | return `/core/${this.ConfigHelpers.pluralize(model.name.toLowerCase())}`; |
| 129 | } |
| 130 | else { |
| 131 | const serviceName = this.serviceNameFromAppName(model.app); |
| 132 | return `/${serviceName}/${this.ConfigHelpers.pluralize(model.name.toLowerCase())}`; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | // add a service state and navigation item if it is not already there |
| 137 | private addService(model: IXosModel): string { |
| 138 | const serviceName: string = this.serviceNameFromAppName(model.app); |
| 139 | if (!_.find(this.xosServices, n => n === serviceName)) { |
| 140 | const serviceState = { |
| 141 | url: serviceName, |
| 142 | parent: 'xos', |
| 143 | abstract: true, |
| 144 | template: '<div ui-view></div>' |
| 145 | }; |
| 146 | this.XosRuntimeStates.addState(`xos.${serviceName}`, serviceState); |
| 147 | |
| 148 | this.XosNavigationService.add({ |
| 149 | label: this.ConfigHelpers.toLabel(serviceName), |
| 150 | state: `xos.${serviceName}`, |
| 151 | }); |
| 152 | this.xosServices.push(serviceName); |
| 153 | } |
| 154 | return serviceName; |
| 155 | } |
| 156 | |
| 157 | private addState(model: IXosModel): ng.IPromise<IXosModel> { |
| 158 | const d = this.$q.defer(); |
| 159 | const clientUrl = `/${this.ConfigHelpers.pluralize(model.name.toLowerCase())}/:id?`; |
| 160 | const state: IXosState = { |
| 161 | parent: this.getParentStateFromModel(model), |
| 162 | url: clientUrl, |
| 163 | params: { |
| 164 | id: null |
| 165 | }, |
| 166 | data: { |
| 167 | model: model.name |
| 168 | }, |
| 169 | component: 'xosCrud', |
| 170 | }; |
Matteo Scandolo | 1aee198 | 2017-02-17 08:33:23 -0800 | [diff] [blame] | 171 | |
Matteo Scandolo | c80ccbd | 2017-02-27 16:24:33 -0800 | [diff] [blame] | 172 | try { |
| 173 | this.XosRuntimeStates.addState( |
| 174 | this.stateNameFromModel(model), |
| 175 | state |
| 176 | ); |
Matteo Scandolo | 1aee198 | 2017-02-17 08:33:23 -0800 | [diff] [blame] | 177 | |
Matteo Scandolo | c80ccbd | 2017-02-27 16:24:33 -0800 | [diff] [blame] | 178 | // extend model |
| 179 | model.clientUrl = `${this.serviceNameFromAppName(model.app)}${clientUrl}`; |
| 180 | |
| 181 | d.resolve(model); |
| 182 | } catch (e) { |
| 183 | d.reject(e); |
| 184 | } |
Matteo Scandolo | 1aee198 | 2017-02-17 08:33:23 -0800 | [diff] [blame] | 185 | return d.promise; |
| 186 | } |
| 187 | |
| 188 | private addNavItem(model: IXosModel): ng.IPromise<IXosModel> { |
| 189 | const d = this.$q.defer(); |
| 190 | |
| 191 | const stateName = this.stateNameFromModel(model); |
| 192 | |
| 193 | const parentState: string = this.getParentStateFromModel(model); |
| 194 | |
Matteo Scandolo | c80ccbd | 2017-02-27 16:24:33 -0800 | [diff] [blame] | 195 | try { |
| 196 | this.XosNavigationService.add({ |
| 197 | label: this.ConfigHelpers.pluralize(model.name), |
| 198 | state: stateName, |
| 199 | parent: parentState |
| 200 | }); |
| 201 | d.resolve(model); |
| 202 | } catch (e) { |
| 203 | d.reject(e); |
| 204 | } |
Matteo Scandolo | 1aee198 | 2017-02-17 08:33:23 -0800 | [diff] [blame] | 205 | |
Matteo Scandolo | 1aee198 | 2017-02-17 08:33:23 -0800 | [diff] [blame] | 206 | |
| 207 | return d.promise; |
| 208 | } |
| 209 | |
| 210 | private cacheModelEntries(model: IXosModel): ng.IPromise<IXosModel> { |
| 211 | const d = this.$q.defer(); |
| 212 | |
| 213 | let called = false; |
| 214 | const apiUrl = this.getApiUrlFromModel(model); |
| 215 | this.XosModelStore.query(model.name, apiUrl) |
| 216 | .subscribe( |
| 217 | () => { |
| 218 | // skipping the first response as the observable gets created as an empty array |
| 219 | if (called) { |
| 220 | return d.resolve(model); |
| 221 | } |
| 222 | called = true; |
| 223 | }, |
| 224 | err => { |
| 225 | d.reject(err); |
| 226 | } |
| 227 | ); |
| 228 | |
| 229 | return d.promise; |
| 230 | } |
| 231 | |
| 232 | private getTableCfg(model: IXosModel): ng.IPromise<IXosModel> { |
| 233 | |
| 234 | const d = this.$q.defer(); |
| 235 | |
| 236 | const stateUrl = this.stateNameFromModel(model); |
| 237 | |
| 238 | model.tableCfg = this.ConfigHelpers.modelToTableCfg(model, stateUrl); |
| 239 | |
| 240 | d.resolve(model); |
| 241 | |
| 242 | return d.promise; |
| 243 | } |
| 244 | |
| 245 | private getFormCfg(model: IXosModel): ng.IPromise<IXosModel> { |
| 246 | |
| 247 | const d = this.$q.defer(); |
| 248 | |
| 249 | model.formCfg = this.ConfigHelpers.modelToFormCfg(model); |
| 250 | |
| 251 | d.resolve(model); |
| 252 | |
| 253 | return d.promise; |
| 254 | } |
| 255 | |
| 256 | private storeModel(model: IXosModel): ng.IPromise<IXosModel> { |
| 257 | |
| 258 | const d = this.$q.defer(); |
| 259 | |
| 260 | if (!_.find(this.xosModels, m => m.name === model.name)) { |
| 261 | this.xosModels.push(model); |
| 262 | } |
| 263 | |
| 264 | d.resolve(model); |
| 265 | |
| 266 | return d.promise; |
| 267 | } |
| 268 | } |