Open-ILS/src/eg2/src/app/staff/share/admin-page/admin-page.component.ts

   1 import {Component, Input, OnInit, TemplateRef, ViewChild} from '@angular/core';
   2 import {IdlService, IdlObject} from '@eg/core/idl.service';
   3 import {GridDataSource} from '@eg/share/grid/grid';
   4 import {GridComponent} from '@eg/share/grid/grid.component';
   5 import {TranslateComponent} from '@eg/staff/share/translate/translate.component';
   6 import {ToastService} from '@eg/share/toast/toast.service';
   7 import {Pager} from '@eg/share/util/pager';
   8 import {PcrudService} from '@eg/core/pcrud.service';
   9 import {OrgService} from '@eg/core/org.service';
  10 import {PermService} from '@eg/core/perm.service';
  11 import {AuthService} from '@eg/core/auth.service';
  12 import {FmRecordEditorComponent} from '@eg/share/fm-editor/fm-editor.component';
  13 import {StringComponent} from '@eg/share/string/string.component';
  14
  15 /**
  16  * General purpose CRUD interface for IDL objects
  17  *
  18  * Object types using this component must be editable via PCRUD.
  19  */
  20
  21 @Component({
  22     selector: 'eg-admin-page',
  23     templateUrl: './admin-page.component.html'
  24 })
  25
  26 export class AdminPageComponent implements OnInit {
  27
  28     @Input() idlClass: string;
  29
  30     // Default sort field, used when no grid sorting is applied.
  31     @Input() sortField: string;
  32
  33     // Data source may be provided by the caller.  This gives the caller
  34     // complete control over the contents of the grid.  If no data source
  35     // is provided, a generic one is create which is sufficient for data
  36     // that requires no special handling, filtering, etc.
  37     @Input() dataSource: GridDataSource;
  38
  39     // Size of create/edito dialog.  Uses large by default.
  40     @Input() dialogSize: 'sm' | 'lg' = 'lg';
  41
  42     // If an org unit field is specified, an org unit filter
  43     // is added to the top of the page.
  44     @Input() orgField: string;
  45
  46     // Disable the auto-matic org unit field filter
  47     @Input() disableOrgFilter: boolean;
  48
  49     // Include objects linking to org units which are ancestors
  50     // of the selected org unit.
  51     @Input() includeOrgAncestors: boolean;
  52
  53     // Ditto includeOrgAncestors, but descendants.
  54     @Input() includeOrgDescendants: boolean;
  55
  56     // Optional grid persist key.  This is the part of the key
  57     // following eg.grid.
  58     @Input() persistKey: string;
  59
  60     // Optional path component to add to the generated grid persist key,
  61     // formatted as (for example):
  62     // 'eg.grid.admin.${persistKeyPfx}.config.billing_type'
  63     @Input() persistKeyPfx: string;
  64
  65     // Optional comma-separated list of read-only fields
  66     @Input() readonlyFields: string;
  67
  68     @ViewChild('grid') grid: GridComponent;
  69     @ViewChild('editDialog') editDialog: FmRecordEditorComponent;
  70     @ViewChild('successString') successString: StringComponent;
  71     @ViewChild('createString') createString: StringComponent;
  72     @ViewChild('translator') translator: TranslateComponent;
  73
  74     idlClassDef: any;
  75     pkeyField: string;
  76     createNew: () => void;
  77     deleteSelected: (rows: IdlObject[]) => void;
  78
  79     // True if any columns on the object support translations
  80     translateRowIdx: number;
  81     translateFieldIdx: number;
  82     translatableFields: string[];
  83     translate: () => void;
  84
  85     contextOrg: IdlObject;
  86     orgFieldLabel: string;
  87     viewPerms: string;
  88     canCreate: boolean;
  89
  90     constructor(
  91         private idl: IdlService,
  92         private org: OrgService,
  93         private auth: AuthService,
  94         private pcrud: PcrudService,
  95         private perm: PermService,
  96         private toast: ToastService
  97     ) {
  98         this.translatableFields = [];
  99     }
 100
 101     applyOrgValues() {
 102
 103         if (this.disableOrgFilter) {
 104             this.orgField = null;
 105             return;
 106         }
 107
 108         if (!this.orgField) {
 109             // If no org unit field is specified, try to find one.
 110             // If an object type has multiple org unit fields, the
 111             // caller should specify one or disable org unit filter.
 112             this.idlClassDef.fields.forEach(field => {
 113                 if (field['class'] === 'aou') {
 114                     this.orgField = field.name;
 115                 }
 116             });
 117         }
 118
 119         if (this.orgField) {
 120             this.orgFieldLabel = this.idlClassDef.field_map[this.orgField].label;
 121             this.contextOrg = this.org.root();
 122         }
 123     }
 124
 125     ngOnInit() {
 126         this.idlClassDef = this.idl.classes[this.idlClass];
 127         this.pkeyField = this.idlClassDef.pkey || 'id';
 128
 129         this.translatableFields =
 130             this.idlClassDef.fields.filter(f => f.i18n).map(f => f.name);
 131
 132         if (!this.persistKey) {
 133             this.persistKey =
 134                 'admin.' +
 135                 (this.persistKeyPfx ? this.persistKeyPfx + '.' : '') +
 136                 this.idlClassDef.table;
 137         }
 138
 139         // Limit the view org selector to orgs where the user has
 140         // permacrud-encoded view permissions.
 141         const pc = this.idlClassDef.permacrud;
 142         if (pc && pc.retrieve) {
 143             this.viewPerms = pc.retrieve.perms;
 144         }
 145
 146         this.checkCreatePerms();
 147         this.applyOrgValues();
 148
 149         // If the caller provides not data source, create a generic one.
 150         if (!this.dataSource) {
 151             this.initDataSource();
 152         }
 153
 154         // TODO: pass the row activate handler via the grid markup
 155         this.grid.onRowActivate.subscribe(
 156             (idlThing: IdlObject) => {
 157                 this.editDialog.mode = 'update';
 158                 this.editDialog.recId = idlThing[this.pkeyField]();
 159                 this.editDialog.open({size: this.dialogSize}).then(
 160                     ok => {
 161                         this.successString.current()
 162                             .then(str => this.toast.success(str));
 163                         this.grid.reload();
 164                     },
 165                     err => {}
 166                 );
 167             }
 168         );
 169
 170         this.createNew = () => {
 171             this.editDialog.mode = 'create';
 172             this.editDialog.open({size: this.dialogSize}).then(
 173                 ok => {
 174                     this.createString.current()
 175                         .then(str => this.toast.success(str));
 176                     this.grid.reload();
 177                 },
 178                 err => {}
 179             );
 180         };
 181
 182         this.deleteSelected = (idlThings: IdlObject[]) => {
 183             idlThings.forEach(idlThing => idlThing.isdeleted(true));
 184             this.pcrud.autoApply(idlThings).subscribe(
 185                 val => console.debug('deleted: ' + val),
 186                 err => {},
 187                 ()  => this.grid.reload()
 188             );
 189         };
 190
 191         // Open the field translation dialog.
 192         // Link the next/previous actions to cycle through each translatable
 193         // field on each row.
 194         this.translate = () => {
 195             this.translateRowIdx = 0;
 196             this.translateFieldIdx = 0;
 197             this.translator.fieldName = this.translatableFields[this.translateFieldIdx];
 198             this.translator.idlObject = this.dataSource.data[this.translateRowIdx];
 199
 200             this.translator.nextString = () => {
 201
 202                 if (this.translateFieldIdx < this.translatableFields.length - 1) {
 203                     this.translateFieldIdx++;
 204
 205                 } else if (this.translateRowIdx < this.dataSource.data.length - 1) {
 206                     this.translateRowIdx++;
 207                     this.translateFieldIdx = 0;
 208                 }
 209
 210                 this.translator.idlObject =
 211                     this.dataSource.data[this.translateRowIdx];
 212                 this.translator.fieldName =
 213                     this.translatableFields[this.translateFieldIdx];
 214             };
 215
 216             this.translator.prevString = () => {
 217
 218                 if (this.translateFieldIdx > 0) {
 219                     this.translateFieldIdx--;
 220
 221                 } else if (this.translateRowIdx > 0) {
 222                     this.translateRowIdx--;
 223                     this.translateFieldIdx = 0;
 224                 }
 225
 226                 this.translator.idlObject =
 227                     this.dataSource.data[this.translateRowIdx];
 228                 this.translator.fieldName =
 229                     this.translatableFields[this.translateFieldIdx];
 230             };
 231
 232             this.translator.open({size: 'lg'});
 233         };
 234     }
 235
 236     checkCreatePerms() {
 237         this.canCreate = false;
 238         const pc = this.idlClassDef.permacrud || {};
 239         const perms = pc.create ? pc.create.perms : [];
 240         if (perms.length === 0) { return; }
 241
 242         this.perm.hasWorkPermAt(perms, true).then(permMap => {
 243             Object.keys(permMap).forEach(key => {
 244                 if (permMap[key].length > 0) {
 245                     this.canCreate = true;
 246                 }
 247             });
 248         });
 249     }
 250
 251     orgOnChange(org: IdlObject) {
 252         this.contextOrg = org;
 253         this.grid.reload();
 254     }
 255
 256     initDataSource() {
 257         this.dataSource = new GridDataSource();
 258
 259         this.dataSource.getRows = (pager: Pager, sort: any[]) => {
 260             const orderBy: any = {};
 261
 262             if (sort.length) {
 263                 // Sort specified from grid
 264                 orderBy[this.idlClass] = sort[0].name + ' ' + sort[0].dir;
 265
 266             } else if (this.sortField) {
 267                 // Default sort field
 268                 orderBy[this.idlClass] = this.sortField;
 269             }
 270
 271             const searchOps = {
 272                 offset: pager.offset,
 273                 limit: pager.limit,
 274                 order_by: orderBy
 275             };
 276
 277             if (this.contextOrg) {
 278                 // Filter rows by those linking to the context org and
 279                 // optionally ancestor and descendant org units.
 280
 281                 let orgs = [this.contextOrg.id()];
 282
 283                 if (this.includeOrgAncestors) {
 284                     orgs = this.org.ancestors(this.contextOrg, true);
 285                 }
 286
 287                 if (this.includeOrgDescendants) {
 288                     // can result in duplicate workstation org IDs... meh
 289                     orgs = orgs.concat(
 290                         this.org.descendants(this.contextOrg, true));
 291                 }
 292
 293                 const search = {};
 294                 search[this.orgField] = orgs;
 295                 return this.pcrud.search(this.idlClass, search, searchOps);
 296             }
 297
 298             // No org filter -- fetch all rows
 299             return this.pcrud.retrieveAll(this.idlClass, searchOps);
 300         };
 301     }
 302
 303     disableAncestorSelector(): boolean {
 304         return this.contextOrg &&
 305             this.contextOrg.id() === this.org.root().id();
 306     }
 307
 308     disableDescendantSelector(): boolean {
 309         return this.contextOrg && this.contextOrg.children().length === 0;
 310     }
 311
 312 }
 313
 314