webapp/src/app/common/config.service.ts

   1 import { Injectable, OnInit } from '@angular/core';
   2 import { Http, Headers, RequestOptionsArgs, Response } from '@angular/http';
   3 import { Location } from '@angular/common';
   4 import { CookieService } from 'ngx-cookie';
   5 import { Observable } from 'rxjs/Observable';
   6 import { Subscriber } from 'rxjs/Subscriber';
   7 import { BehaviorSubject } from 'rxjs/BehaviorSubject';
   8
   9 // Import RxJs required methods
  10 import 'rxjs/add/operator/map';
  11 import 'rxjs/add/operator/catch';
  12 import 'rxjs/add/observable/throw';
  13 import 'rxjs/add/operator/mergeMap';
  14
  15
  16 import { XDSServerService, IXDSConfigProject } from "../common/xdsserver.service";
  17 import { SyncthingService, ISyncThingProject, ISyncThingStatus } from "../common/syncthing.service";
  18 import { AlertService, IAlert } from "../common/alert.service";
  19
  20 export enum ProjectType {
  21     NATIVE = 1,
  22     SYNCTHING = 2
  23 }
  24
  25 export interface INativeProject {
  26     // TODO
  27 }
  28
  29 export interface IProject {
  30     id?: string;
  31     label: string;
  32     path: string;
  33     type: ProjectType;
  34     remotePrjDef?: INativeProject | ISyncThingProject;
  35     localPrjDef?: any;
  36     isExpanded?: boolean;
  37     visible?: boolean;
  38 }
  39
  40 export interface ILocalSTConfig {
  41     ID: string;
  42     URL: string;
  43     retry: number;
  44     tilde: string;
  45 }
  46
  47 export interface IConfig {
  48     xdsServerURL: string;
  49     projectsRootDir: string;
  50     projects: IProject[];
  51     localSThg: ILocalSTConfig;
  52 }
  53
  54 @Injectable()
  55 export class ConfigService {
  56
  57     public conf: Observable<IConfig>;
  58
  59     private confSubject: BehaviorSubject<IConfig>;
  60     private confStore: IConfig;
  61     private stConnectObs = null;
  62
  63     constructor(private _window: Window,
  64         private cookie: CookieService,
  65         private sdkSvr: XDSServerService,
  66         private stSvr: SyncthingService,
  67         private alert: AlertService,
  68     ) {
  69         this.load();
  70         this.confSubject = <BehaviorSubject<IConfig>>new BehaviorSubject(this.confStore);
  71         this.conf = this.confSubject.asObservable();
  72
  73         // force to load projects
  74         this.loadProjects();
  75     }
  76
  77     // Load config
  78     load() {
  79         // Try to retrieve previous config from cookie
  80         let cookConf = this.cookie.getObject("xds-config");
  81         if (cookConf != null) {
  82             this.confStore = <IConfig>cookConf;
  83         } else {
  84             // Set default config
  85             this.confStore = {
  86                 xdsServerURL: this._window.location.origin + '/api/v1',
  87                 projectsRootDir: "",
  88                 projects: [],
  89                 localSThg: {
  90                     ID: null,
  91                     URL: "http://localhost:8384",
  92                     retry: 10,    // 10 seconds
  93                     tilde: "",
  94                 }
  95             };
  96         }
  97     }
  98
  99     // Save config into cookie
 100     save() {
 101         // Notify subscribers
 102         this.confSubject.next(Object.assign({}, this.confStore));
 103
 104         // Don't save projects in cookies (too big!)
 105         let cfg = this.confStore;
 106         delete(cfg.projects);
 107         this.cookie.putObject("xds-config", cfg);
 108     }
 109
 110     loadProjects() {
 111         // Remove previous subscriber if existing
 112         if (this.stConnectObs) {
 113             try {
 114                 this.stConnectObs.unsubscribe();
 115             } catch (err) { }
 116             this.stConnectObs = null;
 117         }
 118
 119         // First setup connection with local SyncThing
 120         let retry = this.confStore.localSThg.retry;
 121         let url = this.confStore.localSThg.URL;
 122         this.stConnectObs = this.stSvr.connect(retry, url).subscribe((sts) => {
 123             this.confStore.localSThg.ID = sts.ID;
 124             this.confStore.localSThg.tilde = sts.tilde;
 125             if (this.confStore.projectsRootDir === "") {
 126                 this.confStore.projectsRootDir = sts.tilde;
 127             }
 128
 129             // Rebuild projects definition from local and remote syncthing
 130             this.confStore.projects = [];
 131
 132             this.sdkSvr.getProjects().subscribe(remotePrj => {
 133                 this.stSvr.getProjects().subscribe(localPrj => {
 134                     remotePrj.forEach(rPrj => {
 135                         let lPrj = localPrj.filter(item => item.id === rPrj.id);
 136                         if (lPrj.length > 0) {
 137                             let pp: IProject = {
 138                                 id: rPrj.id,
 139                                 label: rPrj.label,
 140                                 path: rPrj.path,
 141                                 type: ProjectType.SYNCTHING,    // FIXME support other types
 142                                 remotePrjDef: Object.assign({}, rPrj),
 143                                 localPrjDef: Object.assign({}, lPrj[0]),
 144                             };
 145                             this.confStore.projects.push(pp);
 146                         }
 147                     });
 148                     this.confSubject.next(Object.assign({}, this.confStore));
 149                 }), error => this.alert.error('Could not load initial state of local projects.');
 150             }), error => this.alert.error('Could not load initial state of remote projects.');
 151
 152         }, error => this.alert.error(error));
 153     }
 154
 155     set syncToolURL(url: string) {
 156         this.confStore.localSThg.URL = url;
 157         this.save();
 158     }
 159
 160     set syncToolRetry(r: number) {
 161         this.confStore.localSThg.retry = r;
 162         this.save();
 163     }
 164
 165     set projectsRootDir(p: string) {
 166         if (p.charAt(0) === '~') {
 167             p = this.confStore.localSThg.tilde + p.substring(1);
 168         }
 169         this.confStore.projectsRootDir = p;
 170         this.save();
 171     }
 172
 173     getLabelRootName(): string {
 174         let id = this.confStore.localSThg.ID;
 175         if (!id || id === "") {
 176             return null;
 177         }
 178         return id.slice(0, 15);
 179     }
 180
 181     addProject(prj: IProject) {
 182         // Substitute tilde with to user home path
 183         prj.path = prj.path.trim();
 184         if (prj.path.charAt(0) === '~') {
 185             prj.path = this.confStore.localSThg.tilde + prj.path.substring(1);
 186
 187             // Must be a full path (on Linux or Windows)
 188         } else if (!((prj.path.charAt(0) === '/') ||
 189             (prj.path.charAt(1) === ':' && (prj.path.charAt(2) === '\\' || prj.path.charAt(2) === '/')))) {
 190             prj.path = this.confStore.projectsRootDir + '/' + prj.path;
 191         }
 192
 193         if (prj.id == null) {
 194             // FIXME - must be done on server side
 195             let prefix = this.getLabelRootName() || new Date().toISOString();
 196             let splath = prj.path.split('/');
 197             prj.id = prefix + "_" + splath[splath.length - 1];
 198         }
 199
 200         if (this._getProjectIdx(prj.id) !== -1) {
 201             this.alert.warning("Project already exist (id=" + prj.id + ")", true);
 202             return;
 203         }
 204
 205         // TODO - support others project types
 206         if (prj.type !== ProjectType.SYNCTHING) {
 207             this.alert.error('Project type not supported yet (type: ' + prj.type + ')');
 208             return;
 209         }
 210
 211         let sdkPrj: IXDSConfigProject = {
 212             id: prj.id,
 213             label: prj.label,
 214             path: prj.path,
 215             hostSyncThingID: this.confStore.localSThg.ID,
 216         };
 217
 218         // Send config to XDS server
 219         let newPrj = prj;
 220         this.sdkSvr.addProject(sdkPrj)
 221             .subscribe(resStRemotePrj => {
 222                 newPrj.remotePrjDef = resStRemotePrj;
 223
 224                 // FIXME REWORK local ST config
 225                 //  move logic to server side tunneling-back by WS
 226
 227                 // Now setup local config
 228                 let stLocPrj: ISyncThingProject = {
 229                     id: sdkPrj.id,
 230                     label: sdkPrj.label,
 231                     path: sdkPrj.path,
 232                     remoteSyncThingID: resStRemotePrj.builderSThgID
 233                 };
 234
 235                 // Set local Syncthing config
 236                 this.stSvr.addProject(stLocPrj)
 237                     .subscribe(resStLocalPrj => {
 238                         newPrj.localPrjDef = resStLocalPrj;
 239
 240                         // FIXME: maybe reduce subject to only .project
 241                         //this.confSubject.next(Object.assign({}, this.confStore).project);
 242                         this.confStore.projects.push(Object.assign({}, newPrj));
 243                         this.confSubject.next(Object.assign({}, this.confStore));
 244                     },
 245                     err => {
 246                         this.alert.error("Configuration local ERROR: " + err);
 247                     });
 248             },
 249             err => {
 250                 this.alert.error("Configuration remote ERROR: " + err);
 251             });
 252     }
 253
 254     deleteProject(prj: IProject) {
 255         let idx = this._getProjectIdx(prj.id);
 256         if (idx === -1) {
 257             throw new Error("Invalid project id (id=" + prj.id + ")");
 258         }
 259         this.sdkSvr.deleteProject(prj.id)
 260             .subscribe(res => {
 261                 this.stSvr.deleteProject(prj.id)
 262                     .subscribe(res => {
 263                         this.confStore.projects.splice(idx, 1);
 264                     }, err => {
 265                         this.alert.error("Delete local ERROR: " + err);
 266                     });
 267             }, err => {
 268                 this.alert.error("Delete remote ERROR: " + err);
 269             });
 270     }
 271
 272     private _getProjectIdx(id: string): number {
 273         return this.confStore.projects.findIndex((item) => item.id === id);
 274     }
 275
 276 }