refactor: rename files which define modules

src/QaqcMasterLog.jl

@@ -0,0 +1,61 @@
+"""
+Module for QAQC master log parser.
+"""
+module QaqcMasterLog
+
+using Dates
+
+"""
+Metadata(not results) of QAQC run from master log.
+
+# Fields
+- `timestamp`: in UTC
+- `runid`
+- `shifters`
+- `shiftscript_version::VersionNumber`
+"""
+struct QaqcMasterLogMetadata
+    timestamp::DateTime
+    runid::Int64
+    shifters::String
+    shiftscript_version::VersionNumber
+end
+
+"""
+    parse_master_log(logfile::AbstractString)
+
+Parse master log.
+If the `logfile` is empty, return `nothing`.
+"""
+function parse_master_log(logfile::AbstractString)
+    open(logfile) do f
+        first_line = readline(f)
+        if isempty(first_line)
+            @debug "file $(logfile) is empty"
+            @assert read(logfile) |> isempty
+            return nothing
+        end
+        shiftscript_version = split(first_line) |> last |> VersionNumber
+
+        @assert readline(f) |> contains("-----")
+
+        date_line = readline(f)
+        @assert date_line |> split |> first |> contains("Date")
+        date_part = split(date_line) |> last
+        datetime, timezone = split(date_part, '+')
+        @assert timezone == "0000" "Unexpected timestamp: timezone is not UTC"
+        # Maybe use ZonedDateTime here
+        timestamp = datetime |> DateTime
+
+        runid_line = readline(f)
+        runid = parse(Int64, runid_line |> split |> last)
+
+        shifters_line = readline(f)
+        @assert shifters_line |> split |> first |> contains("Shifters")
+        shifters = shifters_line |> split |> last
+
+        return QaqcMasterLogMetadata(timestamp, runid, shifters, shiftscript_version)
+    end
+end
+
+end