First step of aptly repo add refactoring: extract collection of files. #116

aptly/report.go

@@ -0,0 +1,67 @@
+package aptly
+
+import (
+	"fmt"
+)
+
+// ResultReporter is abstraction for result reporting from complex processing functions
+type ResultReporter interface {
+	// Warning is non-fatal error message
+	Warning(msg string, a ...interface{})
+	// Removed is signal that something has been removed
+	Removed(msg string, a ...interface{})
+	// Added is signal that something has been added
+	Added(msg string, a ...interface{})
+}
+
+// ConsoleResultReporter is implementation of ResultReporter that prints in colors to console
+type ConsoleResultReporter struct {
+	Progress Progress
+}
+
+// Check interface
+var (
+	_ ResultReporter = &ConsoleResultReporter{}
+)
+
+// Warning is non-fatal error message (yellow)
+func (c *ConsoleResultReporter) Warning(msg string, a ...interface{}) {
+	c.Progress.ColoredPrintf("@y[!]@| @!"+msg+"@|", a...)
+}
+
+// Removed is signal that something has been removed (red)
+func (c *ConsoleResultReporter) Removed(msg string, a ...interface{}) {
+	c.Progress.ColoredPrintf("@r[-]@| "+msg, a...)
+}
+
+// Added is signal that something has been added (green)
+func (c *ConsoleResultReporter) Added(msg string, a ...interface{}) {
+	c.Progress.ColoredPrintf("@g[+]@| "+msg, a...)
+}
+
+// RecordingResultReporter is implementation of ResultReporter that collects all messages
+type RecordingResultReporter struct {
+	Warnings []string
+	Adds     []string
+	Removes  []string
+}
+
+// Check interface
+var (
+	_ ResultReporter = &RecordingResultReporter{}
+)
+
+// Warning is non-fatal error message
+func (r *RecordingResultReporter) Warning(msg string, a ...interface{}) {
+	r.Warnings = append(r.Warnings, fmt.Sprintf(msg, a...))
+}
+
+// Removed is signal that something has been removed
+func (r *RecordingResultReporter) Removed(msg string, a ...interface{}) {
+	r.Removes = append(r.Removes, fmt.Sprintf(msg, a...))
+}
+
+// Added is signal that something has been added
+func (r *RecordingResultReporter) Added(msg string, a ...interface{}) {
+	r.Adds = append(r.Adds, fmt.Sprintf(msg, a...))
+}