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('createErrString') createErrString: StringComponent;
  73     @ViewChild('updateFailedString') updateFailedString: StringComponent;
  74     @ViewChild('translator') translator: TranslateComponent;
  75
  76     idlClassDef: any;
  77     pkeyField: string;
  78     createNew: () => void;
  79     deleteSelected: (rows: IdlObject[]) => void;
  80     editSelected: (rows: IdlObject[]) => void;
  81
  82     // True if any columns on the object support translations
  83     translateRowIdx: number;
  84     translateFieldIdx: number;
  85     translatableFields: string[];
  86     translate: () => void;
  87
  88     contextOrg: IdlObject;
  89     orgFieldLabel: string;
  90     viewPerms: string;
  91     canCreate: boolean;
  92
  93     constructor(
  94         private idl: IdlService,
  95         private org: OrgService,
  96         private auth: AuthService,
  97         private pcrud: PcrudService,
  98         private perm: PermService,
  99         private toast: ToastService
 100     ) {
 101         this.translatableFields = [];
 102     }
 103
 104     applyOrgValues() {
 105
 106         if (this.disableOrgFilter) {
 107             this.orgField = null;
 108             return;
 109         }
 110
 111         if (!this.orgField) {
 112             // If no org unit field is specified, try to find one.
 113             // If an object type has multiple org unit fields, the
 114             // caller should specify one or disable org unit filter.
 115             this.idlClassDef.fields.forEach(field => {
 116                 if (field['class'] === 'aou') {
 117                     this.orgField = field.name;
 118                 }
 119             });
 120         }
 121
 122         if (this.orgField) {
 123             this.orgFieldLabel = this.idlClassDef.field_map[this.orgField].label;
 124             this.contextOrg = this.org.root();
 125         }
 126     }
 127
 128     ngOnInit() {
 129         this.idlClassDef = this.idl.classes[this.idlClass];
 130         this.pkeyField = this.idlClassDef.pkey || 'id';
 131
 132         this.translatableFields =
 133             this.idlClassDef.fields.filter(f => f.i18n).map(f => f.name);
 134
 135         if (!this.persistKey) {
 136             this.persistKey =
 137                 'admin.' +
 138                 (this.persistKeyPfx ? this.persistKeyPfx + '.' : '') +
 139                 this.idlClassDef.table;
 140         }
 141
 142         // Limit the view org selector to orgs where the user has
 143         // permacrud-encoded view permissions.
 144         const pc = this.idlClassDef.permacrud;
 145         if (pc && pc.retrieve) {
 146             this.viewPerms = pc.retrieve.perms;
 147         }
 148
 149         this.checkCreatePerms();
 150         this.applyOrgValues();
 151
 152         // If the caller provides not data source, create a generic one.
 153         if (!this.dataSource) {
 154             this.initDataSource();
 155         }
 156
 157         // TODO: pass the row activate handler via the grid markup
 158         this.grid.onRowActivate.subscribe(
 159             (idlThing: IdlObject) => this.showEditDialog(idlThing)
 160         );
 161
 162         this.editSelected = (idlThings: IdlObject[]) => {
 163
 164             // Edit each IDL thing one at a time
 165             const editOneThing = (thing: IdlObject) => {
 166                 if (!thing) { return; }
 167
 168                 this.showEditDialog(thing).then(
 169                     () => editOneThing(idlThings.shift()));
 170             };
 171
 172             editOneThing(idlThings.shift());
 173         };
 174
 175         this.createNew = () => {
 176             this.editDialog.mode = 'create';
 177             this.editDialog.open({size: this.dialogSize}).then(
 178                 ok => {
 179                     this.createString.current()
 180                         .then(str => this.toast.success(str));
 181                     this.grid.reload();
 182                 },
 183                 err => {
 184                     this.createErrString.current()
 185                         .then(str => this.toast.danger(str));
 186                 }
 187             );
 188         };
 189
 190         this.deleteSelected = (idlThings: IdlObject[]) => {
 191             idlThings.forEach(idlThing => idlThing.isdeleted(true));
 192             this.pcrud.autoApply(idlThings).subscribe(
 193                 val => console.debug('deleted: ' + val),
 194                 err => {},
 195                 ()  => this.grid.reload()
 196             );
 197         };
 198
 199         // Open the field translation dialog.
 200         // Link the next/previous actions to cycle through each translatable
 201         // field on each row.
 202         this.translate = () => {
 203             this.translateRowIdx = 0;
 204             this.translateFieldIdx = 0;
 205             this.translator.fieldName = this.translatableFields[this.translateFieldIdx];
 206             this.translator.idlObject = this.dataSource.data[this.translateRowIdx];
 207
 208             this.translator.nextString = () => {
 209
 210                 if (this.translateFieldIdx < this.translatableFields.length - 1) {
 211                     this.translateFieldIdx++;
 212
 213                 } else if (this.translateRowIdx < this.dataSource.data.length - 1) {
 214                     this.translateRowIdx++;
 215                     this.translateFieldIdx = 0;
 216                 }
 217
 218                 this.translator.idlObject =
 219                     this.dataSource.data[this.translateRowIdx];
 220                 this.translator.fieldName =
 221                     this.translatableFields[this.translateFieldIdx];
 222             };
 223
 224             this.translator.prevString = () => {
 225
 226                 if (this.translateFieldIdx > 0) {
 227                     this.translateFieldIdx--;
 228
 229                 } else if (this.translateRowIdx > 0) {
 230                     this.translateRowIdx--;
 231                     this.translateFieldIdx = 0;
 232                 }
 233
 234                 this.translator.idlObject =
 235                     this.dataSource.data[this.translateRowIdx];
 236                 this.translator.fieldName =
 237                     this.translatableFields[this.translateFieldIdx];
 238             };
 239
 240             this.translator.open({size: 'lg'});
 241         };
 242     }
 243
 244     checkCreatePerms() {
 245         this.canCreate = false;
 246         const pc = this.idlClassDef.permacrud || {};
 247         const perms = pc.create ? pc.create.perms : [];
 248         if (perms.length === 0) { return; }
 249
 250         this.perm.hasWorkPermAt(perms, true).then(permMap => {
 251             Object.keys(permMap).forEach(key => {
 252                 if (permMap[key].length > 0) {
 253                     this.canCreate = true;
 254                 }
 255             });
 256         });
 257     }
 258
 259     orgOnChange(org: IdlObject) {
 260         this.contextOrg = org;
 261         this.grid.reload();
 262     }
 263
 264     initDataSource() {
 265         this.dataSource = new GridDataSource();
 266
 267         this.dataSource.getRows = (pager: Pager, sort: any[]) => {
 268             const orderBy: any = {};
 269
 270             if (sort.length) {
 271                 // Sort specified from grid
 272                 orderBy[this.idlClass] = sort[0].name + ' ' + sort[0].dir;
 273
 274             } else if (this.sortField) {
 275                 // Default sort field
 276                 orderBy[this.idlClass] = this.sortField;
 277             }
 278
 279             const searchOps = {
 280                 offset: pager.offset,
 281                 limit: pager.limit,
 282                 order_by: orderBy
 283             };
 284
 285             if (this.contextOrg) {
 286                 // Filter rows by those linking to the context org and
 287                 // optionally ancestor and descendant org units.
 288
 289                 let orgs = [this.contextOrg.id()];
 290
 291                 if (this.includeOrgAncestors) {
 292                     orgs = this.org.ancestors(this.contextOrg, true);
 293                 }
 294
 295                 if (this.includeOrgDescendants) {
 296                     // can result in duplicate workstation org IDs... meh
 297                     orgs = orgs.concat(
 298                         this.org.descendants(this.contextOrg, true));
 299                 }
 300
 301                 const search = {};
 302                 search[this.orgField] = orgs;
 303                 return this.pcrud.search(this.idlClass, search, searchOps);
 304             }
 305
 306             // No org filter -- fetch all rows
 307             return this.pcrud.retrieveAll(this.idlClass, searchOps);
 308         };
 309     }
 310
 311     disableAncestorSelector(): boolean {
 312         return this.contextOrg &&
 313             this.contextOrg.id() === this.org.root().id();
 314     }
 315
 316     disableDescendantSelector(): boolean {
 317         return this.contextOrg && this.contextOrg.children().length === 0;
 318     }
 319
 320     showEditDialog(idlThing: IdlObject) {
 321         this.editDialog.mode = 'update';
 322         this.editDialog.recId = idlThing[this.pkeyField]();
 323         return this.editDialog.open({size: this.dialogSize}).then(
 324             ok => {
 325                 this.successString.current()
 326                     .then(str => this.toast.success(str));
 327                 this.grid.reload();
 328             },
 329             err => {
 330                 this.updateFailedString.current()
 331                     .then(str => this.toast.danger(str));
 332             }
 333         );
 334     }
 335
 336 }
 337
 338