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     fetchCoursesForRecord(recordId) {
  90         const courseIds = new Set<number>();
  91         return this.pcrud.search(
  92             'acmcm', {record: recordId}, {atomic: false}
  93         ).pipe(tap(material => {
  94             courseIds.add(material.course());
  95         })).toPromise()
  96         .then(() => {
  97             if (courseIds.size) {
  98                 return this.getCourses(Array.from(courseIds));
  99             }
 100         });
 101     }
 102
 103     // Creating a new acmcm Entry
 104     associateMaterials(item, args) {
 105         const material = this.idl.create('acmcm');
 106         material.item(item.id());
 107         if (item.call_number() && item.call_number().record()) {
 108             material.record(item.call_number().record());
 109         }
 110         material.course(args.currentCourse.id());
 111         if (args.relationship) { material.relationship(args.relationship); }
 112
 113         // Apply temporary fields to the item
 114         if (args.isModifyingStatus && args.tempStatus) {
 115             material.original_status(item.status());
 116             item.status(args.tempStatus);
 117         }
 118         if (args.isModifyingLocation && args.tempLocation) {
 119             material.original_location(item.location());
 120             item.location(args.tempLocation);
 121         }
 122         if (args.isModifyingCircMod) {
 123             material.original_circ_modifier(item.circ_modifier());
 124             item.circ_modifier(args.tempCircMod);
 125             if (!args.tempCircMod) { item.circ_modifier(null); }
 126         }
 127         if (args.isModifyingCallNumber) {
 128             material.original_callnumber(item.call_number());
 129         }
 130         const response = {
 131             item: item,
 132             material: this.pcrud.create(material).toPromise()
 133         };
 134
 135         return response;
 136     }
 137
 138     associateUsers(patron_id, args) {
 139         const new_user = this.idl.create('acmcu');
 140         if (args.role) { new_user.usr_role(args.role); }
 141         new_user.course(args.currentCourse.id());
 142         new_user.usr(patron_id);
 143         return this.pcrud.create(new_user).toPromise();
 144     }
 145
 146     disassociateMaterials(courses) {
 147         return new Promise((resolve, reject) => {
 148             const course_ids = [];
 149             const course_library_hash = {};
 150             courses.forEach(course => {
 151                 course_ids.push(course.id());
 152                 course_library_hash[course.id()] = course.owning_lib();
 153             });
 154             this.pcrud.search('acmcm', {course: course_ids}).subscribe(material => {
 155                 material.isdeleted(true);
 156                 this.resetItemFields(material, course_library_hash[material.course()]);
 157                 this.pcrud.autoApply(material).subscribe(() => {
 158                 }, err => {
 159                     reject(err);
 160                 }, () => {
 161                     resolve(material);
 162                 });
 163             }, err => {
 164                 reject(err);
 165             }, () => {
 166                 resolve(courses);
 167             });
 168         });
 169     }
 170
 171     disassociateUsers(user) {
 172         return new Promise((resolve, reject) => {
 173             const user_ids = [];
 174             const course_library_hash = {};
 175             user.forEach(course => {
 176                 user_ids.push(course.id());
 177                 course_library_hash[course.id()] = course.owning_lib();
 178             });
 179             this.pcrud.search('acmcu', {user: user_ids}).subscribe(u => {
 180                 u.course(user_ids);
 181                 this.pcrud.autoApply(user).subscribe(res => {
 182                     console.debug(res);
 183                 }, err => {
 184                     reject(err);
 185                 }, () => {
 186                     resolve(user);
 187                 });
 188             }, err => {
 189                 reject(err);
 190             }, () => {
 191                 resolve(user_ids);
 192             });
 193         });
 194     }
 195
 196     resetItemFields(material, course_lib) {
 197         this.pcrud.retrieve('acp', material.item(),
 198             {flesh: 3, flesh_fields: {acp: ['call_number']}}).subscribe(copy => {
 199             if (material.original_status()) {
 200                 copy.status(material.original_status());
 201             }
 202             if (copy.circ_modifier() !== material.original_circ_modifier()) {
 203                 copy.circ_modifier(material.original_circ_modifier());
 204             }
 205             if (material.original_location()) {
 206                 copy.location(material.original_location());
 207             }
 208             if (material.original_callnumber()) {
 209                 this.pcrud.retrieve('acn', material.original_callnumber()).subscribe(cn => {
 210                     this.updateItem(copy, course_lib, cn.label(), true);
 211                 });
 212             } else {
 213                 this.updateItem(copy, course_lib, copy.call_number().label(), false);
 214             }
 215         });
 216     }
 217
 218
 219     updateItem(item: IdlObject, courseLib, callNumber, updatingVolume) {
 220         return new Promise((resolve, reject) => {
 221             this.pcrud.update(item).subscribe(() => {
 222                 if (updatingVolume) {
 223                     const cn = item.call_number();
 224                     const callNumberLibrary = this.org.canHaveVolumes(courseLib) ? courseLib.id() : cn.owning_lib();
 225                     return this.net.request(
 226                         'open-ils.cat', 'open-ils.cat.call_number.find_or_create',
 227                         this.auth.token(), callNumber, cn.record(),
 228                         callNumberLibrary, cn.prefix(), cn.suffix(),
 229                         cn.label_class()
 230                     ).subscribe(res => {
 231                         const event = this.evt.parse(res);
 232                         if (event) { return; }
 233                         return this.net.request(
 234                             'open-ils.cat', 'open-ils.cat.transfer_copies_to_volume',
 235                             this.auth.token(), res.acn_id, [item.id()]
 236                         ).subscribe(transfered_res => {
 237                             console.debug('Copy transferred to volume with code ' + transfered_res);
 238                         }, err => {
 239                             reject(err);
 240                         }, () => {
 241                             resolve(item);
 242                         });
 243                     }, err => {
 244                         reject(err);
 245                     }, () => {
 246                         resolve(item);
 247                     });
 248                 } else {
 249                     this.pcrud.update(item).subscribe(() => {
 250                         resolve(item);
 251                     }, () => {
 252                         reject(item);
 253                     });
 254                 }
 255             });
 256         });
 257     }
 258
 259 }