refactor(@desktop/chat-communities): messages added

Messages model added, not completely done.
Also convenient methods for add/remove reactions are added.

src/app/modules/main/chat_section/chat_content/controller.nim

@@ -7,23 +7,27 @@ import ../../../../../app_service/service/chat/service as chat_service
 import ../../../../../app_service/service/community/service as community_service
 import ../../../../../app_service/service/message/service as message_service
 
+import eventemitter
+import status/[signals]
+
 export controller_interface
 
 type 
   Controller* = ref object of controller_interface.AccessInterface
     delegate: io_interface.AccessInterface
+    events: EventEmitter
     chatId: string
     belongsToCommunity: bool
     chatService: chat_service.ServiceInterface
     communityService: community_service.ServiceInterface
     messageService: message_service.Service
 
-proc newController*(delegate: io_interface.AccessInterface, chatId: string, belongsToCommunity: bool, 
-  chatService: chat_service.ServiceInterface,
-  communityService: community_service.ServiceInterface,
-  messageService: message_service.Service): Controller =
+proc newController*(delegate: io_interface.AccessInterface, events: EventEmitter, chatId: string, 
+  belongsToCommunity: bool, chatService: chat_service.ServiceInterface, 
+  communityService: community_service.ServiceInterface, messageService: message_service.Service): Controller =
   result = Controller()
   result.delegate = delegate
+  result.events = events
   result.chatId = chatId
   result.belongsToCommunity = belongsToCommunity
   result.chatService = chatService
@@ -34,7 +38,13 @@ method delete*(self: Controller) =
   discard
 
 method init*(self: Controller) = 
-  discard
+  self.events.on(SIGNAL_MESSAGES_LOADED) do(e:Args):
+    let args = MessagesLoadedArgs(e)
+    if(self.chatId != args.chatId):
+      return
+    
+    # We should handle only pinned messages within this module.
+    echo "ChatContent...RECEIVED MESSAGES: ", repr(args)
 
 method getChatId*(self: Controller): string =
   return self.chatId

src/app/modules/main/chat_section/chat_content/messages/controller.nim

@@ -1,3 +1,4 @@
+import chronicles
 import controller_interface
 import io_interface
 
@@ -9,6 +10,9 @@ import status/[signals]
 
 export controller_interface
 
+logScope:
+  topics = "messages-controller"
+
 type 
   Controller* = ref object of controller_interface.AccessInterface
     delegate: io_interface.AccessInterface
@@ -34,10 +38,29 @@ method delete*(self: Controller) =
 method init*(self: Controller) = 
   self.events.on(SIGNAL_MESSAGES_LOADED) do(e:Args):
     let args = MessagesLoadedArgs(e)
-    echo "RECEIVED MESSAGES ASYNC: ", repr(args)
+    if(self.chatId != args.chatId):
+      return
+
+    self.delegate.newMessagesLoaded(args.messages, args.reactions)
 
 method getChatId*(self: Controller): string =
   return self.chatId
 
 method belongsToCommunity*(self: Controller): bool =
-  return self.belongsToCommunity
+  return self.belongsToCommunity
+
+method addReaction*(self: Controller, messageId: string, emojiId: int) =
+  let (res, err) = self.messageService.addReaction(self.chatId, messageId, emojiId)
+  if(err.len != 0):
+    error "an error has occurred while saving reaction: ", err
+    return
+
+  self.delegate.onReactionAdded(messageId, emojiId, res)
+
+method removeReaction*(self: Controller, messageId: string, reactionId: string) =
+  let (res, err) = self.messageService.removeReaction(reactionId)
+  if(err.len != 0):
+    error "an error has occurred while removing reaction: ", err
+    return
+
+  self.delegate.onReactionRemoved(messageId, reactionId)

src/app/modules/main/chat_section/chat_content/messages/controller_interface.nim

@@ -16,4 +16,8 @@ method getChatId*(self: AccessInterface): string {.base.} =
 method belongsToCommunity*(self: AccessInterface): bool {.base.} =
   raise newException(ValueError, "No implementation available")
 
-    
+method addReaction*(self: AccessInterface, messageId: string, emojiId: int) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method removeReaction*(self: AccessInterface, messageId: string, reactionId: string) {.base.} =
+  raise newException(ValueError, "No implementation available")

src/app/modules/main/chat_section/chat_content/messages/item.nim

@@ -1,3 +1,5 @@
+import Tables, json
+
 type
   ContentType* {.pure.} = enum
     FetchMoreMessagesButton = -2
@@ -16,7 +18,7 @@ type
     Edit = 11
 
 type 
-  Item* = object
+  Item* = ref object
     id: string
     `from`: string
     alias: string
@@ -32,9 +34,12 @@ type
     timestamp: int64
     contentType: ContentType
     messageType: int
+    reactions: OrderedTable[int, seq[tuple[name: string, reactionId: string]]] # [emojiId, list of [names reacted with the emojiId, reaction id]]
+    reactionIds: seq[string]
 
 proc initItem*(id, `from`, alias, identicon, outgoingStatus, text: string, seen: bool, timestamp: int64, 
   contentType: ContentType, messageType: int): Item =
+  result = Item()
   result.id = id
   result.`from` = `from`
   result.alias = alias
@@ -74,4 +79,62 @@ proc contentType*(self: Item): ContentType {.inline.} =
   self.contentType
 
 proc messageType*(self: Item): int {.inline.} = 
-  self.messageType
+  self.messageType
+
+proc shouldAddReaction*(self: Item, emojiId: int, name: string): bool = 
+  for k, values in self.reactions:
+    if(k != emojiId):
+      continue
+
+    for t in values:
+      if(t.name == name):
+        return false
+
+  return true
+
+proc getReactionId*(self: Item, emojiId: int, name: string): string = 
+  for k, values in self.reactions:
+    if(k != emojiId):
+      continue
+
+    for t in values:
+      if(t.name == name):
+        return t.reactionId
+
+  # we should never be here, since this is a controlled call
+  return ""
+
+proc addReaction*(self: Item, emojiId: int, name: string, reactionId: string) = 
+  if(not self.reactions.contains(emojiId)):
+    self.reactions[emojiId] = @[]
+    
+  self.reactions[emojiId].add((name, reactionId))
+
+proc removeReaction*(self: Item, reactionId: string) = 
+  var key: int
+  var index: int
+  for k, values in self.reactions:
+    var i = -1
+    for t in values:
+      i += 1
+      if(t.reactionId == reactionId):
+        key = k
+        index = i
+
+  self.reactions[key].del(index)
+  if(self.reactions[key].len == 0):
+    self.reactions.del(key)
+
+proc getNamesForReactions*(self: Item, emojiId: int): seq[string] = 
+  if(not self.reactions.contains(emojiId)):
+    return
+
+  for v in self.reactions[emojiId]:
+    result.add(v.name)
+
+proc getCountsForReactions*(self: Item): seq[JsonNode] = 
+  for k, v in self.reactions:
+    if(self.reactions[k].len == 0):
+      continue
+
+    result.add(%* {"emojiId": k, "counts": v.len})

src/app/modules/main/chat_section/chat_content/messages/model.nim

@@ -1,4 +1,4 @@
-import NimQml, Tables, strutils, strformat
+import NimQml, Tables, json, strutils, strformat
 
 import item
 
@@ -19,6 +19,7 @@ type
     # Image
     # GapFrom
     # GapTo
+    CountsForReactions
 
 QtObject:
   type
@@ -55,7 +56,8 @@ QtObject:
       # ModelRole.StickerPack.int:"stickerPack",
       # ModelRole.Image.int:"image",
       # ModelRole.GapFrom.int:"gapFrom",
-      # ModelRole.GapTo.int:"gapTo"
+      # ModelRole.GapTo.int:"gapTo",
+      ModelRole.CountsForReactions.int:"countsForReactions",
     }.toTable
 
   method data(self: Model, index: QModelIndex, role: int): QVariant =
@@ -98,4 +100,55 @@ QtObject:
     # of ModelRole.GapFrom: 
     #   result = newQVariant(item.gapFrom)
     # of ModelRole.GapTo: 
-    #   result = newQVariant(item.gapTo)
+    #   result = newQVariant(item.gapTo)
+    of ModelRole.CountsForReactions: 
+      result = newQVariant($(%* item.getCountsForReactions))
+
+  proc prependItems*(self: Model, items: seq[Item]) =
+    let parentModelIndex = newQModelIndex()
+    defer: parentModelIndex.delete
+
+    let first = 0
+    let last = items.len - 1
+    self.beginInsertRows(parentModelIndex, first, last)
+    self.items = items & self.items
+    self.endInsertRows()
+
+  proc findIndexForMessageId(self: Model, messageId: string): int = 
+    for i in 0 ..< self.items.len:
+      if(self.items[i].id == messageId):
+        return i
+
+    return -1
+
+  proc getItemWithMessageId*(self: Model, messageId: string): Item = 
+    let ind = self.findIndexForMessageId(messageId)
+    if(ind == -1):
+      return
+
+    return self.items[ind]
+
+  proc addReaction*(self: Model, messageId: string, emojiId: int, name: string, reactionId: string) = 
+    let ind = self.findIndexForMessageId(messageId)
+    if(ind == -1):
+      return
+
+    self.items[ind].addReaction(emojiId, name, reactionId)
+    
+    let index = self.createIndex(ind, 0, nil)
+    self.dataChanged(index, index, @[ModelRole.CountsForReactions.int])
+
+  proc removeReaction*(self: Model, messageId: string, reactionId: string) = 
+    let ind = self.findIndexForMessageId(messageId)
+    if(ind == -1):
+      return
+
+    self.items[ind].removeReaction(reactionId)
+    
+    let index = self.createIndex(ind, 0, nil)
+    self.dataChanged(index, index, @[ModelRole.CountsForReactions.int])
+
+  proc getNamesForReaction*(self: Model, messageId: string, emojiId: int): seq[string] = 
+    for i in 0 ..< self.items.len:
+      if(self.items[i].id == messageId):
+        return self.items[i].getNamesForReactions(emojiId)

src/app/modules/main/chat_section/chat_content/messages/module.nim

@@ -1,7 +1,7 @@
 import NimQml
 import io_interface
 import ../io_interface as delegate_interface
-import view, controller
+import view, controller, model, item
 import ../../../../../core/global_singleton
 
 import ../../../../../../app_service/service/chat/service as chat_service
@@ -51,4 +51,36 @@ method viewDidLoad*(self: Module) =
   self.delegate.messagesDidLoad()
 
 method getModuleAsVariant*(self: Module): QVariant =
-  return self.viewVariant
+  return self.viewVariant
+
+method newMessagesLoaded*(self: Module, messages: seq[MessageDto], reactions: seq[ReactionDto]) = 
+  var viewItems: seq[Item] 
+  for m in messages:
+    var item = initItem(m.id, m.`from`, m.alias, m.identicon, m.outgoingStatus, m.text, m.seen, m.timestamp, 
+    m.contentType.ContentType, m.messageType)
+
+    for r in reactions:
+      if(r.messageId == m.id):
+        # m.`from` should be replaced by appropriate ens/alias when we have that part refactored
+        item.addReaction(r.emojiId, m.`from`, r.id)
+
+    # messages are sorted from the most recent to the least recent one
+    viewItems = item & viewItems
+
+  self.view.model.prependItems(viewItems)
+
+method toggleReaction*(self: Module, messageId: string, emojiId: int) =
+  let item = self.view.model.getItemWithMessageId(messageId)
+  let myName = "MY_NAME" #once we have "userProfile" merged, we will request alias/ens name from there
+  if(item.shouldAddReaction(emojiId, myName)):
+    self.controller.addReaction(messageId, emojiId)
+  else:
+    let reactionId = item.getReactionId(emojiId, myName)
+    self.controller.removeReaction(messageId, reactionId)
+
+method onReactionAdded*(self: Module, messageId: string, emojiId: int, reactionId: string) =
+  let myName = "MY_NAME" #once we have "userProfile" merged, we will request alias/ens name from there
+  self.view.model.addReaction(messageId, emojiId, myName, reactionId)
+
+method onReactionRemoved*(self: Module, messageId: string, reactionId: string) =
+  self.view.model.removeReaction(messageId, reactionId)

src/app/modules/main/chat_section/chat_content/messages/private_interfaces/module_controller_delegate_interface.nim

@@ -0,0 +1,10 @@
+import ../../../../../../../app_service/service/message/dto/[message, reaction]
+
+method newMessagesLoaded*(self: AccessInterface, messages: seq[MessageDto], reactions: seq[ReactionDto]) {.base.} =
+  raise newException(ValueError, "No implementation available") 
+
+method onReactionAdded*(self: AccessInterface, messageId: string, emojiId: int, reactionId: string) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method onReactionRemoved*(self: AccessInterface, messageId: string, reactionId: string) {.base.} =
+  raise newException(ValueError, "No implementation available")

src/app/modules/main/chat_section/chat_content/messages/private_interfaces/module_view_delegate_interface.nim

@@ -1,2 +1,5 @@
 method viewDidLoad*(self: AccessInterface) {.base.} =
-  raise newException(ValueError, "No implementation available") 
+  raise newException(ValueError, "No implementation available")
+
+method toggleReaction*(self: AccessInterface, messageId: string, emojiId: int) {.base.} =
+  raise newException(ValueError, "No implementation available")

src/app/modules/main/chat_section/chat_content/messages/view.nim

@@ -1,4 +1,4 @@
-import NimQml
+import NimQml, json
 import model
 import io_interface
 
@@ -6,10 +6,12 @@ QtObject:
   type
     View* = ref object of QObject
       delegate: io_interface.AccessInterface
-      model: Model
+      model*: Model
+      modelVariant: QVariant
       
   proc delete*(self: View) =
     self.model.delete
+    self.modelVariant.delete
     self.QObject.delete
 
   proc newView*(delegate: io_interface.AccessInterface): View =
@@ -17,6 +19,20 @@ QtObject:
     result.QObject.setup
     result.delegate = delegate
     result.model = newModel()
+    result.modelVariant = newQVariant(result.model)
 
   proc load*(self: View) =
-    self.delegate.viewDidLoad()
+    self.delegate.viewDidLoad()
+
+  proc getModel(self: View): QVariant {.slot.} =
+    return self.modelVariant
+
+  QtProperty[QVariant] model:
+    read = getModel
+    notify = modelChanged
+
+  proc toggleReaction*(self: View, messageId: string, emojiId: int) {.slot.} = 
+    self.delegate.toggleReaction(messageId, emojiId)
+
+  proc getNamesForReaction*(self: View, messageId: string, emojiId: int): string {.slot.} = 
+    return $(%* self.model.getNamesForReaction(messageId, emojiId))

src/app/modules/main/chat_section/chat_content/module.nim

@@ -38,7 +38,7 @@ proc newModule*(delegate: delegate_interface.AccessInterface, events: EventEmitt
   result.delegate = delegate
   result.view = view.newView(result)
   result.viewVariant = newQVariant(result.view)
-  result.controller = controller.newController(result, chatId, belongsToCommunity, chatService, communityService, 
+  result.controller = controller.newController(result, events, chatId, belongsToCommunity, chatService, communityService, 
   messageService)
   result.moduleLoaded = false
 

src/app/modules/main/chat_section/module.nim

@@ -67,8 +67,8 @@ proc buildChatUI(self: Module, events: EventEmitter, chatService: chat_service.S
     self.view.appendItem(item)
     self.addSubmodule(c.id, false, events, chatService, communityService, messageService)
     
-    # make the first chat active when load the app
-    if(selectedItemId.len == 0):
+    # make the first Public chat active when load the app
+    if(selectedItemId.len == 0 and c.chatType == ChatType.Public):
       selectedItemId = item.id
 
   self.setActiveItemSubItem(selectedItemId, "")

src/app_service/service/message/service.nim

@@ -130,4 +130,37 @@ QtObject:
     # we're here if initial messages are not loaded yet
     self.loadMoreMessagesForChat(chatId)
 
-  
+  
+  proc addReaction*(self: Service, chatId: string, messageId: string, emojiId: int): 
+    tuple[result: string, error: string] =
+    try:
+      let response = status_go.addReaction(chatId, messageId, emojiId)
+      
+      result.error = "response doesn't contain \"error\""
+      if(response.result.contains("error")):
+        result.error = response.result["error"].getStr
+        return
+
+      var reactionsArr: JsonNode
+      var reactions: seq[ReactionDto]
+      if(response.result.getProp("emojiReactions", reactionsArr)):
+        reactions = map(reactionsArr.getElems(), proc(x: JsonNode): ReactionDto = x.toReactionDto())
+
+      if(reactions.len > 0):
+        result.result = reactions[0].id
+
+    except Exception as e:
+      error "error: ", methodName="addReaction", errName = e.name, errDesription = e.msg
+
+  proc removeReaction*(self: Service, reactionId: string):
+    tuple[result: string, error: string] =
+    try:
+      let response = status_go.removeReaction(reactionId)
+      
+      result.error = "response doesn't contain \"error\""
+      if(response.result.contains("error")):
+        result.error = response.result["error"].getStr
+        return
+
+    except Exception as e:
+      error "error: ", methodName="removeReaction", errName = e.name, errDesription = e.msg