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* Implement 'top tags' feature. * clean up
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| import SharingGRDB | ||
| import SwiftUI | ||
|
|
||
| struct TagsView: View { | ||
| @SharedReader(.fetch(Tags())) var tags = Tags.Value() | ||
| @Binding var selectedTags: [Tag] | ||
|
|
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| @Environment(\.dismiss) var dismiss | ||
|
|
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| var body: some View { | ||
| Form { | ||
| let selectedTagIDs = Set(selectedTags.map(\.id)) | ||
| if !tags.top.isEmpty { | ||
| Section { | ||
| ForEach(tags.top, id: \.id) { tag in | ||
| TagView( | ||
| isSelected: selectedTagIDs.contains(tag.id), | ||
| selectedTags: $selectedTags, | ||
| tag: tag | ||
| ) | ||
| } | ||
| } header: { | ||
| Text("Top tags") | ||
| } | ||
| } | ||
| if !tags.rest.isEmpty { | ||
| Section { | ||
| ForEach(tags.rest, id: \.id) { tag in | ||
| TagView( | ||
| isSelected: selectedTagIDs.contains(tag.id), | ||
| selectedTags: $selectedTags, | ||
| tag: tag | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| .toolbar { | ||
| ToolbarItem { | ||
| Button("Done") { dismiss() } | ||
| } | ||
| } | ||
| .navigationTitle(Text("Tags")) | ||
| } | ||
|
|
||
| struct Tags: FetchKeyRequest { | ||
| func fetch(_ db: Database) throws -> Value { | ||
| let top = try Tag.fetchAll( | ||
| db, | ||
| sql: """ | ||
| SELECT "tags".*, count("reminders"."id") | ||
| FROM "tags" | ||
| LEFT JOIN "remindersTags" | ||
| ON "tags"."id" = "remindersTags"."tagID" | ||
| LEFT JOIN "reminders" | ||
| ON "remindersTags"."reminderID" = "reminders"."id" | ||
| GROUP BY "tags"."id" | ||
| HAVING count("reminders"."id") > 0 | ||
| ORDER BY count("reminders"."id") DESC, "name" | ||
| LIMIT 3 | ||
| """) | ||
| let rest = try Tag.fetchAll( | ||
| db, | ||
| SQLRequest(literal: """ | ||
| SELECT "tags".* | ||
| FROM "tags" | ||
| WHERE "id" NOT IN \(top.compactMap(\.id)) | ||
| ORDER BY "name" | ||
| """) | ||
| ) | ||
| return Value(rest: rest, top: top) | ||
| } | ||
| struct Value { | ||
| var rest: [Tag] = [] | ||
| var top: [Tag] = [] | ||
| } | ||
| } | ||
| } | ||
|
|
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| private struct TagView: View { | ||
| let isSelected: Bool | ||
| @Binding var selectedTags: [Tag] | ||
| let tag: Tag | ||
|
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| var body: some View { | ||
| Button { | ||
| if isSelected { | ||
| selectedTags.removeAll(where: { $0.id == tag.id }) | ||
| } else { | ||
| selectedTags.append(tag) | ||
| } | ||
| } label: { | ||
| HStack { | ||
| if isSelected { | ||
| Image.init(systemName: "checkmark") | ||
| } | ||
| Text(tag.name) | ||
| } | ||
| } | ||
| .tint(isSelected ? .blue : .black) | ||
| } | ||
| } | ||
|
|
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| #Preview { | ||
| @Previewable @State var tags: [Tag] = [] | ||
| let _ = prepareDependencies { | ||
| $0.defaultDatabase = try! Reminders.appDatabase(inMemory: true) | ||
| } | ||
|
|
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| TagsView(selectedTags: $tags) | ||
| } |