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Frontend: Fixed infinite scroll and reload

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Signed-off-by: Michael Mayer <michael@liquidbytes.net>
This commit is contained in:
Michael Mayer 2020-02-04 14:51:48 +01:00
parent f57c6688a5
commit 491751f4fc
5 changed files with 182 additions and 47 deletions
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142
frontend/src/pages/album/photos.vue
View file

@ -3,7 +3,7 @@
:infinite-scroll-distance="10" :infinite-scroll-listen-for-event="'scrollRefresh'">
<p-album-toolbar :album="model" :settings="settings" :filter="filter" :filter-change="updateQuery"
:refresh="refresh"></p-album-toolbar>
:refresh="refresh"></p-album-toolbar>
<v-container fluid class="pa-4" v-if="loading">
<v-progress-linear color="secondary-dark" :indeterminate="true"></v-progress-linear>
@ -43,6 +43,7 @@
<script>
import Photo from "model/photo";
import Album from "model/album";
import Event from "pubsub-js";
export default {
name: 'p-page-album-photos',
@ -77,12 +78,16 @@
const settings = {view: view};
return {
model: new Album({AlbumName:""}),
subscriptions: [],
listen: false,
dirty: false,
model: new Album(),
uuid: uuid,
results: [],
scrollDisabled: true,
pageSize: 60,
offset: 0,
page: 0,
selection: this.$clipboard.selection,
settings: settings,
filter: filter,
@ -128,25 +133,44 @@
if (this.scrollDisabled) return;
this.scrollDisabled = true;
this.listen = false;
this.offset += this.pageSize;
const count = this.dirty ? (this.page + 2) * this.pageSize : this.pageSize;
const offset = this.dirty ? 0 : this.offset;
const params = {
count: this.pageSize,
offset: this.offset,
count: count,
offset: offset,
album: this.uuid,
};
Object.assign(params, this.lastFilter);
Photo.search(params).then(response => {
this.results = this.results.concat(response.models);
if (this.staticFilter) {
Object.assign(params, this.staticFilter);
}
this.scrollDisabled = (response.models.length < this.pageSize);
Photo.search(params).then(response => {
this.results = this.dirty ? response.models : this.results.concat(response.models);
this.scrollDisabled = (response.models.length < count);
if (this.scrollDisabled) {
this.$notify.info(this.$gettext('All ') + this.results.length + this.$gettext(' photos loaded'));
this.offset = offset;
if(this.results.length > 1) {
this.$notify.info(this.$gettext('All ') + this.results.length + this.$gettext(' photos loaded'));
}
} else {
this.offset = offset + count;
this.page++;
}
}).catch(() => {
this.scrollDisabled = false;
}).finally(() => {
this.dirty = false;
this.loading = false;
this.listen = true;
});
},
updateQuery() {
@ -184,12 +208,12 @@
return params;
},
refresh() {
this.lastFilter = {};
const pageSize = this.pageSize;
this.pageSize = this.offset + pageSize;
this.search();
this.offset = this.pageSize;
this.pageSize = pageSize;
if(this.loading) return;
this.loading = true;
this.page = 0;
this.dirty = true;
this.scrollDisabled = false;
this.loadMore();
},
search() {
this.scrollDisabled = true;
@ -203,12 +227,15 @@
Object.assign(this.lastFilter, this.filter);
this.offset = 0;
this.page = 0;
this.loading = true;
this.listen = false;
const params = this.searchParams();
Photo.search(params).then(response => {
this.loading = false;
this.offset = this.pageSize;
this.results = response.models;
this.scrollDisabled = (response.models.length < this.pageSize);
@ -226,7 +253,11 @@
this.$nextTick(() => this.$emit("scrollRefresh"));
}
}).catch(() => this.loading = false);
}).finally(() => {
this.dirty = false;
this.loading = false;
this.listen = true;
});
},
findAlbum() {
this.model.find(this.uuid).then(m => {
@ -234,10 +265,87 @@
window.document.title = `PhotoPrism: ${this.model.AlbumName}`;
});
},
onAlbumsUpdated(ev, data) {
if (!this.listen) return;
if (!data || !data.entities) {
return
}
for (let i = 0; i < data.entities.length; i++) {
const values = data.entities[i];
if (this.model.AlbumUUID === data.entities[i].AlbumUUID) {
for (let key in values) {
if (values.hasOwnProperty(key)) {
this.model[key] = values[key];
}
}
this.dirty = true;
this.scrollDisabled = false;
this.loadMore();
return;
}
}
},
onUpdate(ev, data) {
if (!this.listen) return;
if (!data || !data.entities) {
return
}
const type = ev.split('.')[1];
switch (type) {
case 'updated':
for (let i = 0; i < data.entities.length; i++) {
const values = data.entities[i];
const model = this.results.find((m) => m.ID === values.ID);
for (let key in values) {
if (values.hasOwnProperty(key)) {
model[key] = values[key];
}
}
}
break;
case 'restored':
this.dirty = true;
this.scrollDisabled = false;
this.loadMore();
break;
case 'archived':
this.dirty = true;
for (let i = 0; i < data.entities.length; i++) {
const uuid = data.entities[i];
const index = this.results.findIndex((m) => m.PhotoUUID === uuid);
if (index >= 0) {
this.results.splice(index, 1);
}
}
break;
}
}
},
created() {
this.findAlbum();
this.search();
this.subscriptions.push(Event.subscribe("albums.updated", (ev, data) => this.onAlbumsUpdated(ev, data)));
this.subscriptions.push(Event.subscribe("photos", (ev, data) => this.onUpdate(ev, data)));
},
destroyed() {
for (let i = 0; i < this.subscriptions.length; i++) {
Event.unsubscribe(this.subscriptions[i]);
}
},
};
</script>

28
frontend/src/pages/albums.vue
View file

@ -201,16 +201,24 @@
Object.assign(params, this.lastFilter);
Album.search(params).then(response => {
this.page++;
this.offset += this.pageSize;
if (this.staticFilter) {
Object.assign(params, this.staticFilter);
}
Album.search(params).then(response => {
this.results = this.dirty ? response.models : this.results.concat(response.models);
this.scrollDisabled = (response.models.length < count);
if (this.scrollDisabled) {
this.$notify.info(this.$gettext("All ") + this.results.length + this.$gettext(" albums loaded"));
this.offset = offset;
if(this.results.length > 1) {
this.$notify.info(this.$gettext("All ") + this.results.length + this.$gettext(" albums loaded"));
}
} else {
this.offset = offset + count;
this.page++;
}
}).catch(() => {
this.scrollDisabled = false;
@ -298,12 +306,12 @@
});
},
refresh() {
this.lastFilter = {};
const pageSize = this.pageSize;
this.pageSize = this.offset + pageSize;
this.search();
this.offset = this.pageSize;
this.pageSize = pageSize;
if(this.loading) return;
this.loading = true;
this.page = 0;
this.dirty = true;
this.scrollDisabled = false;
this.loadMore();
},
create() {
let name = DateTime.local().toFormat("LLLL yyyy");

27
frontend/src/pages/labels.vue
View file

@ -230,16 +230,23 @@
Object.assign(params, this.lastFilter);
Label.search(params).then(response => {
this.page++;
this.offset += this.pageSize;
if (this.staticFilter) {
Object.assign(params, this.staticFilter);
}
Label.search(params).then(response => {
this.results = this.dirty ? response.models : this.results.concat(response.models);
this.scrollDisabled = (response.models.length < count);
if (this.scrollDisabled) {
this.$notify.info(this.$gettext('All ') + this.results.length + this.$gettext(' labels loaded'));
this.offset = offset;
if(this.results.length > 1) {
this.$notify.info(this.$gettext('All ') + this.results.length + this.$gettext(' labels loaded'));
}
} else {
this.offset = offset + count;
this.page++;
}
}).catch(() => {
this.scrollDisabled = false;
@ -283,12 +290,12 @@
return params;
},
refresh() {
this.lastFilter = {};
const pageSize = this.pageSize;
this.pageSize = this.offset + pageSize;
this.search();
this.offset = this.pageSize;
this.pageSize = pageSize;
if(this.loading) return;
this.loading = true;
this.page = 0;
this.dirty = true;
this.scrollDisabled = false;
this.loadMore();
},
search() {
this.scrollDisabled = true;

28
frontend/src/pages/photos.vue
View file

@ -157,16 +157,24 @@
Object.assign(params, this.lastFilter);
Photo.search(params).then(response => {
this.page++;
this.offset += this.pageSize;
if (this.staticFilter) {
Object.assign(params, this.staticFilter);
}
Photo.search(params).then(response => {
this.results = this.dirty ? response.models : this.results.concat(response.models);
this.scrollDisabled = (response.models.length < count);
if (this.scrollDisabled) {
this.$notify.info(this.$gettext('All ') + this.results.length + this.$gettext(' photos loaded'));
this.offset = offset;
if(this.results.length > 1) {
this.$notify.info(this.$gettext('All ') + this.results.length + this.$gettext(' photos loaded'));
}
} else {
this.offset = offset + count;
this.page++;
}
}).catch(() => {
this.scrollDisabled = false;
@ -210,12 +218,12 @@
return params;
},
refresh() {
this.lastFilter = {};
const pageSize = this.pageSize;
this.pageSize = this.offset + pageSize;
this.search();
this.offset = this.pageSize;
this.pageSize = pageSize;
if(this.loading) return;
this.loading = true;
this.page = 0;
this.dirty = true;
this.scrollDisabled = false;
this.loadMore();
},
search() {
this.scrollDisabled = true;

4
internal/api/album.go
View file

@ -281,6 +281,8 @@ func AddPhotosToAlbum(router *gin.RouterGroup, conf *config.Config) {
event.Success(fmt.Sprintf("%d photos added to %s", len(added), a.AlbumName))
}
PublishAlbumEvent(EntityUpdated, a.AlbumUUID, c, q)
c.JSON(http.StatusOK, gin.H{"message": "photos added to album", "album": a, "added": added})
})
}
@ -320,6 +322,8 @@ func RemovePhotosFromAlbum(router *gin.RouterGroup, conf *config.Config) {
event.Success(fmt.Sprintf("photos removed from %s", a.AlbumName))
PublishAlbumEvent(EntityUpdated, a.AlbumUUID, c, q)
c.JSON(http.StatusOK, gin.H{"message": "photos removed from album", "album": a, "photos": f.Photos})
})
}