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     @ViewChild('grid') grid: GridComponent;
  66     @ViewChild('editDialog') editDialog: FmRecordEditorComponent;
  67     @ViewChild('successString') successString: StringComponent;
  68     @ViewChild('createString') createString: StringComponent;
  69     @ViewChild('translator') translator: TranslateComponent;
  70
  71     idlClassDef: any;
  72     pkeyField: string;
  73     createNew: () => void;
  74     deleteSelected: (rows: IdlObject[]) => void;
  75
  76     // True if any columns on the object support translations
  77     translateRowIdx: number;
  78     translateFieldIdx: number;
  79     translatableFields: string[];
  80     translate: () => void;
  81
  82     contextOrg: IdlObject;
  83     orgFieldLabel: string;
  84     viewPerms: string;
  85     canCreate: boolean;
  86
  87     constructor(
  88         private idl: IdlService,
  89         private org: OrgService,
  90         private auth: AuthService,
  91         private pcrud: PcrudService,
  92         private perm: PermService,
  93         private toast: ToastService
  94     ) {
  95         this.translatableFields = [];
  96     }
  97
  98     applyOrgValues() {
  99
 100         if (this.disableOrgFilter) {
 101             this.orgField = null;
 102             return;
 103         }
 104
 105         if (!this.orgField) {
 106             // If no org unit field is specified, try to find one.
 107             // If an object type has multiple org unit fields, the
 108             // caller should specify one or disable org unit filter.
 109             this.idlClassDef.fields.forEach(field => {
 110                 if (field['class'] === 'aou') {
 111                     this.orgField = field.name;
 112                 }
 113             });
 114         }
 115
 116         if (this.orgField) {
 117             this.orgFieldLabel = this.idlClassDef.field_map[this.orgField].label;
 118             this.contextOrg = this.org.root();
 119         }
 120     }
 121
 122     ngOnInit() {
 123         this.idlClassDef = this.idl.classes[this.idlClass];
 124         this.pkeyField = this.idlClassDef.pkey || 'id';
 125
 126         this.translatableFields =
 127             this.idlClassDef.fields.filter(f => f.i18n).map(f => f.name);
 128
 129         if (!this.persistKey) {
 130             this.persistKey =
 131                 'admin.' +
 132                 (this.persistKeyPfx ? this.persistKeyPfx + '.' : '') +
 133                 this.idlClassDef.table;
 134         }
 135
 136         // Limit the view org selector to orgs where the user has
 137         // permacrud-encoded view permissions.
 138         const pc = this.idlClassDef.permacrud;
 139         if (pc && pc.retrieve) {
 140             this.viewPerms = pc.retrieve.perms;
 141         }
 142
 143         this.checkCreatePerms();
 144         this.applyOrgValues();
 145
 146         // If the caller provides not data source, create a generic one.
 147         if (!this.dataSource) {
 148             this.initDataSource();
 149         }
 150
 151         // TODO: pass the row activate handler via the grid markup
 152         this.grid.onRowActivate.subscribe(
 153             (idlThing: IdlObject) => {
 154                 this.editDialog.mode = 'update';
 155                 this.editDialog.recId = idlThing[this.pkeyField]();
 156                 this.editDialog.open({size: this.dialogSize}).then(
 157                     ok => {
 158                         this.successString.current()
 159                             .then(str => this.toast.success(str));
 160                         this.grid.reload();
 161                     },
 162                     err => {}
 163                 );
 164             }
 165         );
 166
 167         this.createNew = () => {
 168             this.editDialog.mode = 'create';
 169             this.editDialog.open({size: this.dialogSize}).then(
 170                 ok => {
 171                     this.createString.current()
 172                         .then(str => this.toast.success(str));
 173                     this.grid.reload();
 174                 },
 175                 err => {}
 176             );
 177         };
 178
 179         this.deleteSelected = (idlThings: IdlObject[]) => {
 180             idlThings.forEach(idlThing => idlThing.isdeleted(true));
 181             this.pcrud.autoApply(idlThings).subscribe(
 182                 val => console.debug('deleted: ' + val),
 183                 err => {},
 184                 ()  => this.grid.reload()
 185             );
 186         };
 187
 188         // Open the field translation dialog.
 189         // Link the next/previous actions to cycle through each translatable
 190         // field on each row.
 191         this.translate = () => {
 192             this.translateRowIdx = 0;
 193             this.translateFieldIdx = 0;
 194             this.translator.fieldName = this.translatableFields[this.translateFieldIdx];
 195             this.translator.idlObject = this.dataSource.data[this.translateRowIdx];
 196
 197             this.translator.nextString = () => {
 198
 199                 if (this.translateFieldIdx < this.translatableFields.length - 1) {
 200                     this.translateFieldIdx++;
 201
 202                 } else if (this.translateRowIdx < this.dataSource.data.length - 1) {
 203                     this.translateRowIdx++;
 204                     this.translateFieldIdx = 0;
 205                 }
 206
 207                 this.translator.idlObject =
 208                     this.dataSource.data[this.translateRowIdx];
 209                 this.translator.fieldName =
 210                     this.translatableFields[this.translateFieldIdx];
 211             };
 212
 213             this.translator.prevString = () => {
 214
 215                 if (this.translateFieldIdx > 0) {
 216                     this.translateFieldIdx--;
 217
 218                 } else if (this.translateRowIdx > 0) {
 219                     this.translateRowIdx--;
 220                     this.translateFieldIdx = 0;
 221                 }
 222
 223                 this.translator.idlObject =
 224                     this.dataSource.data[this.translateRowIdx];
 225                 this.translator.fieldName =
 226                     this.translatableFields[this.translateFieldIdx];
 227             };
 228
 229             this.translator.open({size: 'lg'});
 230         };
 231     }
 232
 233     checkCreatePerms() {
 234         this.canCreate = false;
 235         const pc = this.idlClassDef.permacrud || {};
 236         const perms = pc.create ? pc.create.perms : [];
 237         if (perms.length === 0) { return; }
 238
 239         this.perm.hasWorkPermAt(perms, true).then(permMap => {
 240             Object.keys(permMap).forEach(key => {
 241                 if (permMap[key].length > 0) {
 242                     this.canCreate = true;
 243                 }
 244             });
 245         });
 246     }
 247
 248     orgOnChange(org: IdlObject) {
 249         this.contextOrg = org;
 250         this.grid.reload();
 251     }
 252
 253     initDataSource() {
 254         this.dataSource = new GridDataSource();
 255
 256         this.dataSource.getRows = (pager: Pager, sort: any[]) => {
 257             const orderBy: any = {};
 258
 259             if (sort.length) {
 260                 // Sort specified from grid
 261                 orderBy[this.idlClass] = sort[0].name + ' ' + sort[0].dir;
 262
 263             } else if (this.sortField) {
 264                 // Default sort field
 265                 orderBy[this.idlClass] = this.sortField;
 266             }
 267
 268             const searchOps = {
 269                 offset: pager.offset,
 270                 limit: pager.limit,
 271                 order_by: orderBy
 272             };
 273
 274             if (this.contextOrg) {
 275                 // Filter rows by those linking to the context org and
 276                 // optionally ancestor and descendant org units.
 277
 278                 let orgs = [this.contextOrg.id()];
 279
 280                 if (this.includeOrgAncestors) {
 281                     orgs = this.org.ancestors(this.contextOrg, true);
 282                 }
 283
 284                 if (this.includeOrgDescendants) {
 285                     // can result in duplicate workstation org IDs... meh
 286                     orgs = orgs.concat(
 287                         this.org.descendants(this.contextOrg, true));
 288                 }
 289
 290                 const search = {};
 291                 search[this.orgField] = orgs;
 292                 return this.pcrud.search(this.idlClass, search, searchOps);
 293             }
 294
 295             // No org filter -- fetch all rows
 296             return this.pcrud.retrieveAll(this.idlClass, searchOps);
 297         };
 298     }
 299
 300     disableAncestorSelector(): boolean {
 301         return this.contextOrg &&
 302             this.contextOrg.id() === this.org.root().id();
 303     }
 304
 305     disableDescendantSelector(): boolean {
 306         return this.contextOrg && this.contextOrg.children().length === 0;
 307     }
 308
 309 }
 310
 311