graph2: Added importLog query and associated models and repository functions.

graph2/schema/root.gql

@@ -95,6 +95,9 @@ type Mutation {
   # Add a new log
   addLog(input: LogAddInput!): Log!
 
+  # Import a log
+  importLog(input: LogImportInput!): [Log!]!
+
   # Edit a log
   editLog(input: LogEditInput!): Log!
 

graph2/schema/types/Log.gql

@@ -100,4 +100,36 @@ input LogEditInput {
 input LogRemoveInput {
   # The id of the log to remove
   id: String!
+}
+
+"""
+Input for importLog mutation.
+"""
+input LogImportInput {
+  "The channel of the log, alwyas required."
+  channelName: String!
+
+  "Which importer to use."
+  importer: LogImporter!
+
+  "The timezone of the import, all log and post dates will be treated as it. It will be UTC if none is specified."
+  timezone: String
+
+  "The date of the log, if not provided in the log body."
+  date: Date
+
+  "The log body itself."
+  data: String!
+}
+
+enum LogImporter {
+  """
+  mIRC-like: This importer parses logs that copied from mIRC posts without spaces.
+  """
+  MircLike
+
+  """
+  Forum log: This importer parses the format on the forum. The displayed log, not the post source.
+  """
+  ForumLog
 }