history: add arrow directions

src/types.jl

@@ -12,6 +12,11 @@ struct MatrixUser
     deviceid::String
 end
 
+import Base.==
+==(u::MatrixUser, s::String) =
+    string("@", u.userid, ":", join(split(URI(u.server.instance).host, ".")[end-1:end], ".")) == s
+==(s::String, u::MatrixUser) = u == s
+
 import Base.show
 function Base.show(io::IO, n::MatrixServer)
     print(io, string("(matrix) ", n.instance))
@@ -43,7 +48,19 @@ struct MatrixMsg
 end
 
 using Dates
-function Base.show(io::IO, m::MatrixMsg)
+function Base.show(io::IO, m::MatrixMsg; muser::Union{Nothing,MatrixUser} = nothing)
+    global user
+    if muser === nothing
+        if isdefined(MatrixChat, :user)
+            direction = m.sender == user ?
+                " ««« " : " »»» "
+        else
+            direction = " »»» "
+        end
+    else
+        direction = " »»» "
+    end
+
     d = Dates.epochms2datetime(m.timestamp +
                        Dates.datetime2epochms(Dates.unix2datetime(0)))
     dtfmt = if Dates.Hour(now()) - Dates.Hour(d) < Dates.Hour(24)
@@ -52,6 +69,6 @@ function Base.show(io::IO, m::MatrixMsg)
         string(day(d), " ", Dates.monthabbr(d))
     end
 
-    print(io, string("[", dtfmt, "] ", m.sender, " »»» ", m.body))
+    print(io, string("[", dtfmt, "] ", m.sender, direction, m.body))
     nothing
 end