fix(unified-search): Use appId for searching

Each provider may search from a particular app so we should use that for searching.

Before this commit, we used `provider.id` instead of `provider.appId` the problem with the previous
approach is that it forces the provider id to be a valid search provider (an app that supports search)
limiting the developers ability to use unique IDs to identify the different providers (especially plugin providers)
inside the places filter.

For example the Files search plugin "In folder" (search in folder plugin) was required to have id as `files` while the
files provider itself already has id as `files`.

Signed-off-by: nfebe <fenn25.fn@gmail.com>

apps/files/src/plugins/search/folderSearch.ts

@@ -21,7 +21,7 @@ function init() {
 
 	logger.info('Initializing unified search plugin: folder search from files app')
 	OCA.UnifiedSearch.registerFilterAction({
-		id: 'files',
+		id: 'in-folder',
 		appId: 'files',
 		label: t('files', 'In folder'),
 		icon: imagePath('files', 'app.svg'),
@@ -35,7 +35,8 @@ function init() {
 						logger.info('Folder picked', { folder: nodes[0] })
 						const folder = nodes[0]
 						emit('nextcloud:unified-search:add-filter', {
-							id: 'files',
+							id: 'in-folder',
+							appId: 'files',
 							payload: folder,
 							filterUpdateText: t('files', 'Search in folder: {folder}', { folder: folder.basename }),
 							filterParams: { path: folder.path },

core/src/components/UnifiedSearch/UnifiedSearchModal.vue

@@ -374,7 +374,7 @@ export default defineComponent({
 			const providersToSearch = this.filteredProviders.length > 0 ? this.filteredProviders : this.providers
 			const searchProvider = (provider, filters) => {
 				const params = {
-					type: provider.id,
+					type: provider.appId,
 					query,
 					cursor: null,
 					extraQueries: provider.extraParams,
@@ -397,6 +397,7 @@ export default defineComponent({
 
 				if (this.providerResultLimit > 5) {
 					params.limit = this.providerResultLimit
+					unifiedSearchLogger.debug('Limiting search to', params.limit)
 				}
 
 				const request = unifiedSearch(params).request
@@ -404,6 +405,7 @@ export default defineComponent({
 				request().then((response) => {
 					newResults.push({
 						id: provider.id,
+						appId: provider.appId,
 						provider: provider.name,
 						inAppSearch: provider.inAppSearch,
 						results: response.data.ocs.data.entries,
@@ -500,11 +502,13 @@ export default defineComponent({
 		},
 		loadMoreResultsForProvider(providerId) {
 			this.providerResultLimit += 5
-			this.filters = this.filters.filter(filter => filter.type !== 'provider')
+			// If user wants more result for a particular filter remove other filters???
+			this.filters = this.filters.filter(filter => filter.id === providerId)
 			const provider = this.providers.find(provider => provider.id === providerId)
 			this.addProviderFilter(provider, true)
 		},
 		addProviderFilter(providerFilter, loadMoreResultsForProvider = false) {
+			unifiedSearchLogger.debug('Applying provider filter', { providerFilter, loadMoreResultsForProvider })
 			if (!providerFilter.id) return
 			if (providerFilter.isPluginFilter) {
 				providerFilter.callback()
@@ -521,6 +525,7 @@ export default defineComponent({
 			}
 			this.filteredProviders.push({
 				id: providerFilter.id,
+				appId: providerFilter.appId,
 				name: providerFilter.name,
 				icon: providerFilter.icon,
 				type: providerFilter.type || 'provider',
@@ -649,6 +654,7 @@ export default defineComponent({
 			this.updateDateFilter()
 		},
 		handlePluginFilter(addFilterEvent) {
+			unifiedSearchLogger.debug('Handling plugin filter', { addFilterEvent })
 			for (let i = 0; i < this.filteredProviders.length; i++) {
 				const provider = this.filteredProviders[i]
 				if (provider.id === addFilterEvent.id) {