profile images (restore #423) (#466)

* core: configurable smp servers (#366)

* core: update simplexmq hash

* core: update simplexmq hash (fix SMPServer json encoding)

* core: fix crashing on supplying duplicate SMP servers

* core: update simplexmq hash (remove SMPServer FromJSON)

* core: update simplexmq hash (merged master)

* core: profile images (#384)

* adding initial RFC

* adding migration SQL

* update RFC

* linting

* Apply suggestions from code review

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

* refine RFC

* add avatars db migration to Store.hs

* initial chages to have images in users/groups

* fix protocol tests

* update SQL & MobileTests

* minor bug fixes

* add missing comma

* fix query error

* refactor and update  functions

* bug fixes + testing

* update to parse base64 web format images

* fix parsing and use valid padded base64 encoded image

* fix typos

* respose to and suggestions from review

* fix: typo

* refactor: avatars -> profile_images

* fix: typo

* swap updateProfile parameters

* remove TODO

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

* initial changes to show profile images

* simple set up complete

* add initial shape of image getting (needs work)

* redesign

* ios, android: configurable smp servers (only model and api for android) (#392)

* example image picker placed in edit profile screen

* tidy up and allow encoding

* more tidying

* update bottom modal bar

* v0.1 UI for upload ready

* add api calls

* refactor edit profile screen

* complete the refactor with connection back to api

* linting

* update encoding for hs compat

* no line wrapping and resize image

* refactor and tidy up for cleanest compatability with haskell

* ios: UI for editing images

* crop image to square

* update profile edit layout

* fixing image preview orientation etc

* allow expandable image in profile view

* handle case where user exits camera rather than take image

* housekeeping on when to call apiUpdateProfileImage

* improve scaling of large image

* linting

* spacing

* fix padding

* revert whitespace change

* tidy up, one remaining issue

* refactor to get parsing working

* add missed change

* use custom modal in user profile

* fix image size after scaling

* scale image iteratively

* add filter

* update profile editing view

* ios: edit profile image (TODO aspect ratio)

* ios: UI to manage profile images

* ios: use new profile api

* android: use new api to update profile

* android: scroll profile view up when editing

* revert change

* reduce profile image resolution to 104px to fit in 12.5kb

Co-authored-by: IanRDavies <ian_davies_@hotmail.co.uk>
Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

apps/ios/Shared/Model/SimpleXAPI.swift

@@ -28,7 +28,7 @@ enum ChatCommand {
     case addContact
     case connect(connReq: String)
     case apiDeleteChat(type: ChatType, id: Int64)
-    case updateProfile(profile: Profile)
+    case apiUpdateProfile(profile: Profile)
     case createMyAddress
     case deleteMyAddress
     case showMyAddress
@@ -52,7 +52,7 @@ enum ChatCommand {
             case .addContact: return "/connect"
             case let .connect(connReq): return "/connect \(connReq)"
             case let .apiDeleteChat(type, id): return "/_delete \(ref(type, id))"
-            case let .updateProfile(profile): return "/profile \(profile.displayName) \(profile.fullName)"
+            case let .apiUpdateProfile(profile): return "/_profile \(encodeJSON(profile))"
             case .createMyAddress: return "/address"
             case .deleteMyAddress: return "/delete_address"
             case .showMyAddress: return "/show_address"
@@ -79,7 +79,7 @@ enum ChatCommand {
             case .addContact: return "addContact"
             case .connect: return "connect"
             case .apiDeleteChat: return "apiDeleteChat"
-            case .updateProfile: return "updateProfile"
+            case .apiUpdateProfile: return "apiUpdateProfile"
             case .createMyAddress: return "createMyAddress"
             case .deleteMyAddress: return "deleteMyAddress"
             case .showMyAddress: return "showMyAddress"
@@ -155,7 +155,7 @@ enum ChatResponse: Decodable, Error {
             case .sentInvitation: return "sentInvitation"
             case .contactDeleted: return "contactDeleted"
             case .userProfileNoChange: return "userProfileNoChange"
-            case .userProfileUpdated: return "userProfileNoChange"
+            case .userProfileUpdated: return "userProfileUpdated"
             case .userContactLink: return "userContactLink"
             case .userContactLinkCreated: return "userContactLinkCreated"
             case .userContactLinkDeleted: return "userContactLinkDeleted"
@@ -427,7 +427,7 @@ func apiDeleteChat(type: ChatType, id: Int64) async throws {
 }
 
 func apiUpdateProfile(profile: Profile) async throws -> Profile? {
-    let r = await chatSendCmd(.updateProfile(profile: profile))
+    let r = await chatSendCmd(.apiUpdateProfile(profile: profile))
     switch r {
     case .userProfileNoChange: return nil
     case let .userProfileUpdated(_, toProfile): return toProfile
@@ -703,10 +703,13 @@ private func getJSONObject(_ cjson: UnsafePointer<CChar>) -> NSDictionary? {
     return try? JSONSerialization.jsonObject(with: d) as? NSDictionary
 }
 
-private func encodeCJSON<T: Encodable>(_ value: T) -> [CChar] {
+private func encodeJSON<T: Encodable>(_ value: T) -> String {
     let data = try! jsonEncoder.encode(value)
-    let str = String(decoding: data, as: UTF8.self)
-    return str.cString(using: .utf8)!
+    return String(decoding: data, as: UTF8.self)
+}
+
+private func encodeCJSON<T: Encodable>(_ value: T) -> [CChar] {
+    encodeJSON(value).cString(using: .utf8)!
 }
 
 enum ChatError: Decodable {