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         const flesher = {flesh: 2, flesh_fields: {
  32             'acmc': ['owning_lib'],
  33             'aou': ['ou_type']}};
  34         if (!course_ids) {
  35             return this.pcrud.retrieveAll('acmc',
  36                 flesher, {atomic: true}).toPromise();
  37         } else {
  38             return this.pcrud.search('acmc', {id: course_ids},
  39                 flesher, {atomic: true}).toPromise();
  40         }
  41     }
  42
  43     getMaterials(course_ids?: Number[]): Promise<IdlObject[]> {
  44         if (!course_ids) {
  45             return this.pcrud.retrieveAll('acmcm',
  46                 {}, {atomic: true}).toPromise();
  47         } else {
  48             return this.pcrud.search('acmcm', {course: course_ids},
  49                 {}, {atomic: true}).toPromise();
  50         }
  51     }
  52
  53     getUsers(course_ids?: Number[]): Observable<IdlObject> {
  54         const flesher = {
  55             flesh: 1,
  56             flesh_fields: {'acmcu': ['usr', 'usr_role']}
  57         };
  58         if (!course_ids) {
  59             return this.pcrud.retrieveAll('acmcu',
  60                 flesher);
  61         } else {
  62             return this.pcrud.search('acmcu', {course: course_ids},
  63                 flesher);
  64         }
  65     }
  66
  67     getCoursesFromMaterial(copy_id): Promise<any> {
  68         const id_list = [];
  69         return new Promise((resolve, reject) => {
  70
  71             return this.pcrud.search('acmcm', {item: copy_id})
  72             .subscribe(materials => {
  73                 if (materials) {
  74                     id_list.push(materials.course());
  75                 }
  76             }, err => {
  77                 console.debug(err);
  78                 reject(err);
  79             }, () => {
  80                 if (id_list.length) {
  81                     return this.getCourses(id_list).then(courses => {
  82                         resolve(courses);
  83                     });
  84                 }
  85             });
  86         });
  87     }
  88
  89     getTermMaps(term_ids) {
  90         const flesher = {flesh: 2, flesh_fields: {
  91             'acmtcm': ['course']}};
  92
  93         if (!term_ids) {
  94             return this.pcrud.retrieveAll('acmtcm',
  95                 flesher);
  96         } else {
  97             return this.pcrud.search('acmtcm', {term: term_ids},
  98                 flesher);
  99         }
 100     }
 101
 102     fetchCoursesForRecord(recordId) {
 103         const courseIds = new Set<number>();
 104         return this.pcrud.search(
 105             'acmcm', {record: recordId}, {atomic: false}
 106         ).pipe(tap(material => {
 107             courseIds.add(material.course());
 108         })).toPromise()
 109         .then(() => {
 110             if (courseIds.size) {
 111                 return this.getCourses(Array.from(courseIds));
 112             }
 113         });
 114     }
 115
 116     // Creating a new acmcm Entry
 117     associateMaterials(item, args) {
 118         const material = this.idl.create('acmcm');
 119         material.item(item.id());
 120         if (item.call_number() && item.call_number().record()) {
 121             material.record(item.call_number().record());
 122         }
 123         material.course(args.currentCourse.id());
 124         if (args.relationship) { material.relationship(args.relationship); }
 125
 126         // Apply temporary fields to the item
 127         if (args.isModifyingStatus && args.tempStatus) {
 128             material.original_status(item.status());
 129             item.status(args.tempStatus);
 130         }
 131         if (args.isModifyingLocation && args.tempLocation) {
 132             material.original_location(item.location());
 133             item.location(args.tempLocation);
 134         }
 135         if (args.isModifyingCircMod) {
 136             material.original_circ_modifier(item.circ_modifier());
 137             item.circ_modifier(args.tempCircMod);
 138             if (!args.tempCircMod) { item.circ_modifier(null); }
 139         }
 140         if (args.isModifyingCallNumber) {
 141             material.original_callnumber(item.call_number());
 142         }
 143         const response = {
 144             item: item,
 145             material: this.pcrud.create(material).toPromise()
 146         };
 147
 148         return response;
 149     }
 150
 151     associateUsers(patron_id, args) {
 152         const new_user = this.idl.create('acmcu');
 153         if (args.role) { new_user.usr_role(args.role); }
 154         new_user.course(args.currentCourse.id());
 155         new_user.usr(patron_id);
 156         return this.pcrud.create(new_user).toPromise();
 157     }
 158
 159     disassociateMaterials(courses) {
 160         return new Promise((resolve, reject) => {
 161             const course_ids = [];
 162             const course_library_hash = {};
 163             courses.forEach(course => {
 164                 course_ids.push(course.id());
 165                 course_library_hash[course.id()] = course.owning_lib();
 166             });
 167             this.pcrud.search('acmcm', {course: course_ids}).subscribe(material => {
 168                 material.isdeleted(true);
 169                 this.resetItemFields(material, course_library_hash[material.course()]);
 170                 this.pcrud.autoApply(material).subscribe(() => {
 171                 }, err => {
 172                     reject(err);
 173                 }, () => {
 174                     resolve(material);
 175                 });
 176             }, err => {
 177                 reject(err);
 178             }, () => {
 179                 resolve(courses);
 180             });
 181         });
 182     }
 183
 184     disassociateUsers(user) {
 185         return new Promise((resolve, reject) => {
 186             const user_ids = [];
 187             const course_library_hash = {};
 188             user.forEach(course => {
 189                 user_ids.push(course.id());
 190                 course_library_hash[course.id()] = course.owning_lib();
 191             });
 192             this.pcrud.search('acmcu', {user: user_ids}).subscribe(u => {
 193                 u.course(user_ids);
 194                 this.pcrud.autoApply(user).subscribe(res => {
 195                     console.debug(res);
 196                 }, err => {
 197                     reject(err);
 198                 }, () => {
 199                     resolve(user);
 200                 });
 201             }, err => {
 202                 reject(err);
 203             }, () => {
 204                 resolve(user_ids);
 205             });
 206         });
 207     }
 208
 209     resetItemFields(material, course_lib) {
 210         this.pcrud.retrieve('acp', material.item(),
 211             {flesh: 3, flesh_fields: {acp: ['call_number']}}).subscribe(copy => {
 212             if (material.original_status()) {
 213                 copy.status(material.original_status());
 214             }
 215             if (copy.circ_modifier() !== material.original_circ_modifier()) {
 216                 copy.circ_modifier(material.original_circ_modifier());
 217             }
 218             if (material.original_location()) {
 219                 copy.location(material.original_location());
 220             }
 221             if (material.original_callnumber()) {
 222                 this.pcrud.retrieve('acn', material.original_callnumber()).subscribe(cn => {
 223                     this.updateItem(copy, course_lib, cn.label(), true);
 224                 });
 225             } else {
 226                 this.updateItem(copy, course_lib, copy.call_number().label(), false);
 227             }
 228         });
 229     }
 230
 231
 232     updateItem(item: IdlObject, courseLib, callNumber, updatingVolume) {
 233         return new Promise((resolve, reject) => {
 234             this.pcrud.update(item).subscribe(() => {
 235                 if (updatingVolume) {
 236                     const cn = item.call_number();
 237                     const callNumberLibrary = this.org.canHaveVolumes(courseLib) ? courseLib.id() : cn.owning_lib();
 238                     return this.net.request(
 239                         'open-ils.cat', 'open-ils.cat.call_number.find_or_create',
 240                         this.auth.token(), callNumber, cn.record(),
 241                         callNumberLibrary, cn.prefix(), cn.suffix(),
 242                         cn.label_class()
 243                     ).subscribe(res => {
 244                         const event = this.evt.parse(res);
 245                         if (event) { return; }
 246                         return this.net.request(
 247                             'open-ils.cat', 'open-ils.cat.transfer_copies_to_volume',
 248                             this.auth.token(), res.acn_id, [item.id()]
 249                         ).subscribe(transfered_res => {
 250                             console.debug('Copy transferred to volume with code ' + transfered_res);
 251                         }, err => {
 252                             reject(err);
 253                         }, () => {
 254                             resolve(item);
 255                         });
 256                     }, err => {
 257                         reject(err);
 258                     }, () => {
 259                         resolve(item);
 260                     });
 261                 } else {
 262                     this.pcrud.update(item).subscribe(() => {
 263                         resolve(item);
 264                     }, () => {
 265                         reject(item);
 266                     });
 267                 }
 268             });
 269         });
 270     }
 271
 272 }