Removes ticket duplicates

model/ticket.go

@@ -1,7 +1,25 @@
 package model
 
+import (
+	"fmt"
+)
+
 type Ticket struct {
 	Filename string `json:"filename"`
 	LineNo   int    `json:"line_no"`
 	Text     string `json:"text"` // needed??
 }
+
+func RemoveDuplicateTickets(tickets []*Ticket) []*Ticket {
+	ticketMap := map[string]*Ticket{}
+	for _, t := range tickets {
+		ticketMap[fmt.Sprintf("%s:%d", t.Filename, t.LineNo)] = t
+	}
+
+	cleanTickets := []*Ticket{}
+	for _, t := range ticketMap {
+		cleanTickets = append(cleanTickets, t)
+	}
+
+	return cleanTickets
+}