Open-ILS/src/eg2/src/app/staff/share/course.service.ts

   1 import {Observable} from 'rxjs';
   2 import {tap} from 'rxjs/operators';
   3 import {Injectable} from '@angular/core';
   4 import {AuthService} from '@eg/core/auth.service';
   5 import {EventService} from '@eg/core/event.service';
   6 import {IdlObject, IdlService} from '@eg/core/idl.service';
   7 import {NetService} from '@eg/core/net.service';
   8 import {OrgService} from '@eg/core/org.service';
   9 import {PcrudService} from '@eg/core/pcrud.service';
  10
  11 @Injectable()
  12 export class CourseService {
  13
  14     constructor(
  15         private auth: AuthService,
  16         private evt: EventService,
  17         private idl: IdlService,
  18         private net: NetService,
  19         private org: OrgService,
  20         private pcrud: PcrudService
  21     ) {}
  22
  23     isOptedIn(): Promise<any> {
  24         return new Promise((resolve) => {
  25             this.org.settings('circ.course_materials_opt_in').then(res => {
  26                 resolve(res['circ.course_materials_opt_in']);
  27             });
  28         });
  29     }
  30     getCourses(course_ids?: Number[]): Promise<IdlObject[]> {
  31         if (!course_ids) {
  32             return this.pcrud.retrieveAll('acmc',
  33                 {}, {atomic: true}).toPromise();
  34         } else {
  35             return this.pcrud.search('acmc', {id: course_ids},
  36                 {}, {atomic: true}).toPromise();
  37         }
  38     }
  39
  40     getMaterials(course_ids?: Number[]): Promise<IdlObject[]> {
  41         if (!course_ids) {
  42             return this.pcrud.retrieveAll('acmcm',
  43                 {}, {atomic: true}).toPromise();
  44         } else {
  45             return this.pcrud.search('acmcm', {course: course_ids},
  46                 {}, {atomic: true}).toPromise();
  47         }
  48     }
  49
  50     getUsers(course_ids?: Number[]): Observable<IdlObject> {
  51         const flesher = {
  52             flesh: 1,
  53             flesh_fields: {'acmcu': ['usr']}
  54         };
  55         if (!course_ids) {
  56             return this.pcrud.retrieveAll('acmcu',
  57                 flesher);
  58         } else {
  59             return this.pcrud.search('acmcu', {course: course_ids},
  60                 flesher);
  61         }
  62     }
  63
  64     getCoursesFromMaterial(copy_id): Promise<any> {
  65         const id_list = [];
  66         return new Promise((resolve, reject) => {
  67
  68             return this.pcrud.search('acmcm', {item: copy_id})
  69             .subscribe(materials => {
  70                 if (materials) {
  71                     id_list.push(materials.course());
  72                 }
  73             }, err => {
  74                 console.debug(err);
  75                 reject(err);
  76             }, () => {
  77                 if (id_list.length) {
  78                     return this.getCourses(id_list).then(courses => {
  79                         resolve(courses);
  80                     });
  81                 }
  82             });
  83         });
  84     }
  85
  86     fetchCoursesForRecord(recordId) {
  87         const courseIds = [];
  88                  return this.pcrud.search(
  89             'acmcm', {record: recordId}, {atomic: false}
  90         ).pipe(tap(material => {
  91             if (courseIds.indexOf(material.course()) === -1) {
  92                 courseIds.push(material.course());
  93             }
  94         })).toPromise().then(() => this.getCourses(courseIds));
  95     }
  96
  97     // Creating a new acmcm Entry
  98     associateMaterials(item, args) {
  99         const material = this.idl.create('acmcm');
 100         material.item(item.id());
 101         if (item.call_number() && item.call_number().record()) {
 102             material.record(item.call_number().record());
 103         }
 104         material.course(args.currentCourse.id());
 105         if (args.relationship) { material.relationship(args.relationship); }
 106
 107         // Apply temporary fields to the item
 108         if (args.isModifyingStatus && args.tempStatus) {
 109             material.original_status(item.status());
 110             item.status(args.tempStatus);
 111         }
 112         if (args.isModifyingLocation && args.tempLocation) {
 113             material.original_location(item.location());
 114             item.location(args.tempLocation);
 115         }
 116         if (args.isModifyingCircMod) {
 117             material.original_circ_modifier(item.circ_modifier());
 118             item.circ_modifier(args.tempCircMod);
 119             if (!args.tempCircMod) { item.circ_modifier(null); }
 120         }
 121         if (args.isModifyingCallNumber) {
 122             material.original_callnumber(item.call_number());
 123         }
 124         const response = {
 125             item: item,
 126             material: this.pcrud.create(material).toPromise()
 127         };
 128
 129         return response;
 130     }
 131
 132     associateUsers(patron_id, args) {
 133         const new_user = this.idl.create('acmcu');
 134         if (args.is_public) { new_user.is_public(args.is_public); }
 135         if (args.role) { new_user.usr_role(args.role); }
 136         new_user.course(args.currentCourse.id());
 137         new_user.usr(patron_id);
 138         return this.pcrud.create(new_user).toPromise();
 139     }
 140
 141     disassociateMaterials(courses) {
 142         return new Promise((resolve, reject) => {
 143             const course_ids = [];
 144             const course_library_hash = {};
 145             courses.forEach(course => {
 146                 course_ids.push(course.id());
 147                 course_library_hash[course.id()] = course.owning_lib();
 148             });
 149             this.pcrud.search('acmcm', {course: course_ids}).subscribe(material => {
 150                 material.isdeleted(true);
 151                 this.resetItemFields(material, course_library_hash[material.course()]);
 152                 this.pcrud.autoApply(material).subscribe(() => {
 153                 }, err => {
 154                     reject(err);
 155                 }, () => {
 156                     resolve(material);
 157                 });
 158             }, err => {
 159                 reject(err);
 160             }, () => {
 161                 resolve(courses);
 162             });
 163         });
 164     }
 165
 166     disassociateUsers(user) {
 167         return new Promise((resolve, reject) => {
 168             const user_ids = [];
 169             const course_library_hash = {};
 170             user.forEach(course => {
 171                 user_ids.push(course.id());
 172                 course_library_hash[course.id()] = course.owning_lib();
 173             });
 174             this.pcrud.search('acmcu', {user: user_ids}).subscribe(u => {
 175                 u.course(user_ids);
 176                 this.pcrud.autoApply(user).subscribe(res => {
 177                     console.debug(res);
 178                 }, err => {
 179                     reject(err);
 180                 }, () => {
 181                     resolve(user);
 182                 });
 183             }, err => {
 184                 reject(err);
 185             }, () => {
 186                 resolve(user_ids);
 187             });
 188         });
 189     }
 190
 191     resetItemFields(material, course_lib) {
 192         this.pcrud.retrieve('acp', material.item(),
 193             {flesh: 3, flesh_fields: {acp: ['call_number']}}).subscribe(copy => {
 194             if (material.original_status()) {
 195                 copy.status(material.original_status());
 196             }
 197             if (copy.circ_modifier() !== material.original_circ_modifier()) {
 198                 copy.circ_modifier(material.original_circ_modifier());
 199             }
 200             if (material.original_location()) {
 201                 copy.location(material.original_location());
 202             }
 203             if (material.original_callnumber()) {
 204                 this.pcrud.retrieve('acn', material.original_callnumber()).subscribe(cn => {
 205                     this.updateItem(copy, course_lib, cn.label(), true);
 206                 });
 207             } else {
 208                 this.updateItem(copy, course_lib, copy.call_number().label(), false);
 209             }
 210         });
 211     }
 212
 213
 214     updateItem(item: IdlObject, courseLib, callNumber, updatingVolume) {
 215         return new Promise((resolve, reject) => {
 216             this.pcrud.update(item).subscribe(() => {
 217                 if (updatingVolume) {
 218                     const cn = item.call_number();
 219                     const callNumberLibrary = this.org.canHaveVolumes(courseLib) ? courseLib : cn.owning_lib();
 220                     return this.net.request(
 221                         'open-ils.cat', 'open-ils.cat.call_number.find_or_create',
 222                         this.auth.token(), callNumber, cn.record(),
 223                         callNumberLibrary, cn.prefix(), cn.suffix(),
 224                         cn.label_class()
 225                     ).subscribe(res => {
 226                         const event = this.evt.parse(res);
 227                         if (event) { return; }
 228                         return this.net.request(
 229                             'open-ils.cat', 'open-ils.cat.transfer_copies_to_volume',
 230                             this.auth.token(), res.acn_id, [item.id()]
 231                         ).subscribe(transfered_res => {
 232                             console.debug('Copy transferred to volume with code ' + transfered_res);
 233                         }, err => {
 234                             reject(err);
 235                         }, () => {
 236                             resolve(item);
 237                         });
 238                     }, err => {
 239                         reject(err);
 240                     }, () => {
 241                         resolve(item);
 242                     });
 243                 } else {
 244                     this.pcrud.update(item).subscribe(() => {
 245                         resolve(item);
 246                     }, () => {
 247                         reject(item);
 248                     });
 249                 }
 250             });
 251         });
 252     }
 253
 254 }