Merge pull request #1760 from albertgasset/MOBILE-2188
MOBILE-2188 data: Don't fetch all entries when browsing entry by entry
This commit is contained in:
		
						commit
						575285077f
					
				@ -30,6 +30,7 @@ export class AddonModDataActionComponent implements OnInit {
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    @Input() action: string; // The field to render.
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    @Input() entry?: any; // The value of the field.
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    @Input() database: any; // Database object.
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    @Input() offset?: number; // Offset of the entry.
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    siteId: string;
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    rootUrl: string;
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@ -67,6 +68,9 @@ export class AddonModDataActionComponent implements OnInit {
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        switch (this.action) {
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            case 'more':
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                this.url = this.rootUrl + '/mod/data/view.php?d= ' + this.entry.dataid + '&rid=' + this.entry.id;
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                if (typeof this.offset == 'number') {
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                    this.url += '&mode=single&page=' + this.offset;
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                }
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                break;
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            case 'edit':
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                this.url = this.rootUrl + '/mod/data/edit.php?d= ' + this.entry.dataid + '&rid=' + this.entry.id;
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@ -47,7 +47,7 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
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    timeAvailableToReadable: string | boolean;
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    isEmpty = false;
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    groupInfo: CoreGroupInfo;
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    entries = {};
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    entries = [];
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    firstEntry = false;
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    canAdd = false;
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    canSearch = false;
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@ -317,6 +317,8 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
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                });
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                return Promise.all(promises).then((entries) => {
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                    this.entries = entries;
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                    let entriesHTML = this.data.listtemplateheader || '';
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                    // Get first entry from the whole list.
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@ -326,12 +328,15 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
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                    const template = this.data.listtemplate || this.dataHelper.getDefaultTemplate('list', this.fieldsArray);
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                    entries.forEach((entry) => {
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                        this.entries[entry.id] = entry;
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                    const entriesById = {};
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                    entries.forEach((entry, index) => {
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                        entriesById[entry.id] = entry;
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                        const actions = this.dataHelper.getActions(this.data, this.access, entry);
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                        const offset = this.search.page * AddonModDataProvider.PER_PAGE + index;
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                        entriesHTML += this.dataHelper.displayShowFields(template, this.fieldsArray, entry, 'list', actions);
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                        entriesHTML += this.dataHelper.displayShowFields(template, this.fieldsArray, entry, offset, 'list',
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                                actions);
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                    });
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                    entriesHTML += this.data.listtemplatefooter || '';
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@ -340,7 +345,7 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
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                    // Pass the input data to the component.
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                    this.jsData = {
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                        fields: this.fields,
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                        entries: this.entries,
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                        entries: entriesById,
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                        data: this.data,
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                        gotoEntry: this.gotoEntry.bind(this)
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                    };
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@ -440,9 +445,16 @@ export class AddonModDataIndexComponent extends CoreCourseModuleMainActivityComp
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            module: this.module,
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            courseId: this.courseId,
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            entryId: entryId,
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            group: this.selectedGroup
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            group: this.selectedGroup,
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            offset: null
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        };
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        // Try to find page number and offset of the entry.
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        const pageXOffset = this.entries.findIndex((entry) => entry.id == entryId);
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        if (pageXOffset >= 0) {
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            params.offset = this.search.page * AddonModDataProvider.PER_PAGE + pageXOffset;
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        }
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        this.navCtrl.push('AddonModDataEntryPage', params);
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    }
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@ -34,16 +34,16 @@
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            <core-comments contextLevel="module" [instanceId]="data.coursemodule" component="mod_data" [itemId]="entry.id" area="database_entry"></core-comments>
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        </ion-item>
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        <ion-grid *ngIf="previousId || nextId">
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        <ion-grid *ngIf="previousOffset != null || nextOffset != null">
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            <ion-row align-items-center>
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                <ion-col *ngIf="previousId">
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                    <button ion-button block outline icon-start (click)="gotoEntry(previousId)">
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                <ion-col *ngIf="previousOffset != null">
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                    <button ion-button block outline icon-start (click)="gotoEntry(previousOffset)">
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                        <ion-icon name="arrow-back" md="ios-arrow-back"></ion-icon>
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                        {{ 'core.previous' | translate }}
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                    </button>
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                </ion-col>
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                <ion-col *ngIf="nextId">
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                    <button ion-button block icon-end (click)="gotoEntry(nextId)">
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                <ion-col *ngIf="nextOffset != null">
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                    <button ion-button block icon-end (click)="gotoEntry(nextOffset)">
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                        {{ 'core.next' | translate }}
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                        <ion-icon name="arrow-forward" md="ios-arrow-forward"></ion-icon>
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                    </button>
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@ -41,7 +41,7 @@ export class AddonModDataEntryPage implements OnDestroy {
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    protected module: any;
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    protected entryId: number;
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    protected courseId: number;
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    protected page: number;
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    protected offset: number;
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    protected syncObserver: any; // It will observe the sync auto event.
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    protected entryChangedObserver: any; // It will observe the changed entry event.
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    protected fields = {};
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@ -55,8 +55,8 @@ export class AddonModDataEntryPage implements OnDestroy {
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    offlineActions = [];
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    hasOffline = false;
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    cssTemplate = '';
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    previousId: number;
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    nextId: number;
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    previousOffset: number;
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    nextOffset: number;
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    access: any;
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    data: any;
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    groupInfo: any;
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@ -77,7 +77,7 @@ export class AddonModDataEntryPage implements OnDestroy {
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        this.entryId = params.get('entryId') || null;
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        this.courseId = params.get('courseId');
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        this.selectedGroup = params.get('group') || 0;
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        this.page = params.get('page') || null;
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        this.offset = params.get('offset');
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        this.siteId = sitesProvider.getCurrentSiteId();
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@ -133,7 +133,7 @@ export class AddonModDataEntryPage implements OnDestroy {
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            this.data = data;
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            this.cssClass = 'addon-data-entries-' + data.id;
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            return this.setEntryIdFromPage(data.id, this.page, this.selectedGroup).then(() => {
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            return this.setEntryIdFromOffset(data.id, this.offset, this.selectedGroup).then(() => {
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                return this.dataProvider.getDatabaseAccessInformation(data.id);
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            });
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        }).then((accessData) => {
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@ -177,7 +177,7 @@ export class AddonModDataEntryPage implements OnDestroy {
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            const actions = this.dataHelper.getActions(this.data, this.access, this.entry);
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            const templte = this.data.singletemplate || this.dataHelper.getDefaultTemplate('single', fieldsArray);
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            this.entryRendered = this.dataHelper.displayShowFields(templte, fieldsArray, this.entry, 'show', actions);
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            this.entryRendered = this.dataHelper.displayShowFields(templte, fieldsArray, this.entry, this.offset, 'show', actions);
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            this.showComments = actions.comments;
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            const entries = {};
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@ -189,11 +189,6 @@ export class AddonModDataEntryPage implements OnDestroy {
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                entries: entries,
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                data: this.data
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            };
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            return this.dataHelper.getPageInfoByEntry(this.data.id, this.entryId, this.selectedGroup).then((result) => {
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                this.previousId = result.previousId;
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                this.nextId = result.nextId;
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            });
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        }).catch((message) => {
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            if (!refresh) {
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                // Some call failed, retry without using cache since it might be a new activity.
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@ -210,13 +205,13 @@ export class AddonModDataEntryPage implements OnDestroy {
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    /**
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     * Go to selected entry without changing state.
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     *
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     * @param  {number}       entry Entry Id where to go.
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     * @return {Promise<any>}       Resolved when done.
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     * @param  {number} offset Entry offset.
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     * @return {Promise<any>} Resolved when done.
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     */
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    gotoEntry(entry: number): Promise<any> {
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        this.entryId = entry;
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    gotoEntry(offset: number): Promise<any> {
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        this.offset = offset;
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        this.entryId = null;
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        this.entry = null;
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        this.page = null;
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        this.entryLoaded = false;
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        return this.fetchEntryData();
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@ -264,30 +259,56 @@ export class AddonModDataEntryPage implements OnDestroy {
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     */
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    setGroup(groupId: number): Promise<any> {
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        this.selectedGroup = groupId;
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        this.offset = 0;
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        this.entry = null;
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        this.entryId = null;
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        this.entryLoaded = false;
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        return this.setEntryIdFromPage(this.data.id, 0, this.selectedGroup).then(() => {
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            return this.fetchEntryData();
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        });
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        return this.fetchEntryData();
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    }
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    /**
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     * Convenience function to translate page number to entry identifier.
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     * Convenience function to translate offset to entry identifier and set next/previous entries.
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     *
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     * @param  {number}       dataId       Data Id.
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     * @param  {number}       [pageNumber] Page number where to go
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     * @param  {number}       group        Group Id to get the entry.
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     * @return {Promise<any>}              Resolved when done.
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     * @param {number} dataId Data Id.
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     * @param {number} [offset] Offset of the entry.
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     * @param {number} [groupId] Group Id to get the entry.
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     * @return {Promise<any>} Resolved when done.
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     */
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    protected setEntryIdFromPage(dataId: number, pageNumber?: number, group?: number): Promise<any> {
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        if (typeof pageNumber == 'number') {
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            return this.dataHelper.getPageInfoByPage(dataId, pageNumber, group).then((result) => {
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                this.entryId = result.entryId;
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                this.page = null;
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            });
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    protected setEntryIdFromOffset(dataId: number, offset?: number, groupId?: number): Promise<any> {
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        if (typeof offset != 'number') {
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            // Entry id passed as navigation parameter instead of the offset.
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            // We don't display next/previous buttons in this case.
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            this.nextOffset = null;
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            this.previousOffset = null;
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            return Promise.resolve();
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        }
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        return Promise.resolve();
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        const perPage = AddonModDataProvider.PER_PAGE;
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        const page = Math.floor(offset / perPage);
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        const pageOffset = offset % perPage;
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        return this.dataProvider.getEntries(dataId, groupId, undefined, undefined, page, perPage).then((entries) => {
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            if (!entries || !entries.entries || !entries.entries.length || pageOffset >= entries.entries.length) {
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                return Promise.reject(null);
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            }
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            this.entryId = entries.entries[pageOffset].id;
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            this.previousOffset = offset > 0 ? offset - 1 : null;
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            if (pageOffset + 1 < entries.entries.length) {
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                // Not the last entry on the page;
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                this.nextOffset = offset + 1;
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            } else if (entries.entries.length < perPage) {
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                // Last entry of the last page.
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                this.nextOffset = null;
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            } else {
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                // Last entry of the page, check if there are more pages.
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                return this.dataProvider.getEntries(dataId, groupId, undefined, undefined, page + 1, perPage).then((entries) => {
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                    this.nextOffset = entries && entries.entries && entries.entries.length > 0 ? offset + 1 : null;
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                });
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            }
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        });
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    }
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    /**
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@ -100,11 +100,12 @@ export class AddonModDataHelperProvider {
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     * @param {string} template   Template HMTL.
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     * @param {any[]}  fields     Fields that defines every content in the entry.
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     * @param {any}    entry      Entry.
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     * @param {number} offset     Entry offset.
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     * @param {string} mode       Mode list or show.
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     * @param {any}    actions    Actions that can be performed to the record.
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     * @return {string}           Generated HTML.
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     */
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    displayShowFields(template: string, fields: any[], entry: any, mode: string, actions: any): string {
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    displayShowFields(template: string, fields: any[], entry: any, offset: number, mode: string, actions: any): string {
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        if (!template) {
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            return '';
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        }
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@ -135,7 +136,7 @@ export class AddonModDataHelperProvider {
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                    render = this.translate.instant('addon.mod_data.' + (entry.approved ? 'approved' : 'notapproved'));
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                } else {
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                    render = '<addon-mod-data-action action="' + action + '" [entry]="entries[' + entry.id +
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                                ']" mode="' + mode + '" [database]="data"></addon-mod-data-action>';
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                                ']" mode="' + mode + '" [database]="data" [offset]="' + offset + '"></addon-mod-data-action>';
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                }
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                template = template.replace(replace, render);
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            } else {
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@ -177,24 +178,6 @@ export class AddonModDataHelperProvider {
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        };
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    }
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    /**
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     * Fetch all entries and return it's Id
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     *
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     * @param  {number}    dataId          Data ID.
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     * @param  {number}    groupId         Group ID.
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     * @param  {boolean}   [forceCache]    True to always get the value from cache, false otherwise. Default false.
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     * @param  {boolean}   [ignoreCache]   True if it should ignore cached data (it will always fail in offline or server down).
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     * @param  {string}    [siteId]        Site ID. Current if not defined.
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     * @return {Promise<any>}              Resolved with an array of entry ID.
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     */
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    getAllEntriesIds(dataId: number, groupId: number, forceCache: boolean = false, ignoreCache: boolean = false, siteId?: string):
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            Promise<any> {
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        return this.dataProvider.fetchAllEntries(dataId, groupId, undefined, undefined, undefined, forceCache, ignoreCache, siteId)
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                .then((entries) => {
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            return entries.map((entry) => entry.id);
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        });
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    }
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    /**
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     * Returns the default template of a certain type.
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     *
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@ -398,67 +381,6 @@ export class AddonModDataHelperProvider {
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        });
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    }
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    /**
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     * Get page info related to an entry.
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     *
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     * @param  {number}    dataId          Data ID.
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     * @param  {number}    entryId         Entry ID.
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     * @param  {number}    groupId         Group ID.
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     * @param  {boolean}   [forceCache]    True to always get the value from cache, false otherwise. Default false.
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     * @param  {boolean}   [ignoreCache]   True if it should ignore cached data (it will always fail in offline or server down).
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     * @param  {string}    [siteId]        Site ID. Current if not defined.
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     * @return {Promise<any>}              Containing page number, if has next and have following page.
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     */
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    getPageInfoByEntry(dataId: number, entryId: number, groupId: number, forceCache: boolean = false,
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            ignoreCache: boolean = false, siteId?: string): Promise<any> {
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        return this.getAllEntriesIds(dataId, groupId, forceCache, ignoreCache, siteId).then((entries) => {
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            const index = entries.findIndex((entry) => entry == entryId);
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            if (index >= 0) {
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                return {
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                    previousId: entries[index - 1] || false,
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                    nextId: entries[index + 1] || false,
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                    entryId: entryId,
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		||||
                    page: index + 1, // Parsed to natural language.
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		||||
                    numEntries: entries.length
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                };
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		||||
            }
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            return false;
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		||||
        });
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		||||
    }
 | 
			
		||||
 | 
			
		||||
    /**
 | 
			
		||||
     * Get page info related to an entry by page number.
 | 
			
		||||
     *
 | 
			
		||||
     * @param  {number}    dataId          Data ID.
 | 
			
		||||
     * @param  {number}    page            Page number.
 | 
			
		||||
     * @param  {number}    groupId         Group ID.
 | 
			
		||||
     * @param  {boolean}   [forceCache]    True to always get the value from cache, false otherwise. Default false.
 | 
			
		||||
     * @param  {boolean}   [ignoreCache]   True if it should ignore cached data (it will always fail in offline or server down).
 | 
			
		||||
     * @param  {string}    [siteId]        Site ID. Current if not defined.
 | 
			
		||||
     * @return {Promise<any>}              Containing page number, if has next and have following page.
 | 
			
		||||
     */
 | 
			
		||||
    getPageInfoByPage(dataId: number, page: number, groupId: number, forceCache: boolean = false,
 | 
			
		||||
            ignoreCache: boolean = false, siteId?: string): Promise<any> {
 | 
			
		||||
        return this.getAllEntriesIds(dataId, groupId, forceCache, ignoreCache, siteId).then((entries) => {
 | 
			
		||||
            const index = page - 1,
 | 
			
		||||
                entryId = entries[index];
 | 
			
		||||
 | 
			
		||||
            if (entryId) {
 | 
			
		||||
                return {
 | 
			
		||||
                    previousId: entries[index - 1] || null,
 | 
			
		||||
                    nextId: entries[index + 1] || null,
 | 
			
		||||
                    entryId: entryId,
 | 
			
		||||
                    page: page, // Parsed to natural language.
 | 
			
		||||
                    numEntries: entries.length
 | 
			
		||||
                };
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            return false;
 | 
			
		||||
        });
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /**
 | 
			
		||||
     * Get a list of stored attachment files for a new entry. See $mmaModDataHelper#storeFiles.
 | 
			
		||||
     *
 | 
			
		||||
 | 
			
		||||
@ -65,7 +65,7 @@ export class AddonModDataShowLinkHandler extends CoreContentLinksHandlerBase {
 | 
			
		||||
                    }
 | 
			
		||||
 | 
			
		||||
                    if (params.mode && params.mode == 'single') {
 | 
			
		||||
                        pageParams['page'] = page || 1;
 | 
			
		||||
                        pageParams['offset'] = page || 0;
 | 
			
		||||
                    } else if (rId) {
 | 
			
		||||
                        pageParams['entryId'] = rId;
 | 
			
		||||
                    }
 | 
			
		||||
 | 
			
		||||
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