From 7610e6f05246726a7a780fd639385240fbad1ed9 Mon Sep 17 00:00:00 2001
From: g00gol <jackey2870@gmail.com>
Date: Sun, 8 Oct 2023 01:51:29 -0400
Subject: [PATCH 1/2] adjusted repo type to support json input

---
 backend/types/repo.go | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/backend/types/repo.go b/backend/types/repo.go
index ea2a702..ee6554f 100644
--- a/backend/types/repo.go
+++ b/backend/types/repo.go
@@ -3,17 +3,17 @@ package types
 import "time"
 
 type Repo struct {
-	Hash                   string    `bson:"hash"`
-	Name                   string    `bson:"name"`
-	Description            string    `bson:"description"`
-	RepoOrigin             string    `bson:"repo_origin"`
-	FernBranch             string    `bson:"fern_branch"`
-	Languages              []string  `bson:"languages"`
-	Technologies           []string  `bson:"technologies"`
-	RecommendedIssueLabels []string  `bson:"recommended_issue_labels"`
-	RecommendedIssuesCount int       `bson:"recommended_issues_count"`
-	Difficulty             int       `bson:"difficulty"`
-	LastUpdated            time.Time `bson:"last_updated"` // MongoDB Datetime
-	DateCreated            time.Time `bson:"date_created"` // MongoDB Datetime
-	Stars                  int       `bson:"stars"`
+	Hash                   string    `bson:"hash" json:"hash"`
+	Name                   string    `bson:"name" json:"name"`
+	Description            string    `bson:"description" json:"description"`
+	RepoOrigin             string    `bson:"repo_origin" json:"repo_origin"`
+	FernBranch             string    `bson:"fern_branch" json:"fern_branch"`
+	Languages              []string  `bson:"languages" json:"languages"`
+	Technologies           []string  `bson:"technologies" json:"technologies"`
+	RecommendedIssueLabels []string  `bson:"recommended_issue_labels" json:"recommended_issue_labels"`
+	RecommendedIssuesCount int       `bson:"recommended_issues_count" json:"recommended_issues_count"`
+	Difficulty             int       `bson:"difficulty" json:"difficulty"`
+	LastUpdated            time.Time `bson:"last_updated" json:"last_updated"`
+	DateCreated            time.Time `bson:"date_created" json:"date_created"`
+	Stars                  int       `bson:"stars" json:"stars"`
 }

From ff90550f54b82077fc44d3c91377a86fc208b479 Mon Sep 17 00:00:00 2001
From: g00gol <jackey2870@gmail.com>
Date: Sun, 8 Oct 2023 02:07:04 -0400
Subject: [PATCH 2/2] backend now handles duplicate repo name entries

---
 backend/controllers/repos_controller.go | 11 +++++++++
 backend/db/repos_db.go                  | 31 +++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/backend/controllers/repos_controller.go b/backend/controllers/repos_controller.go
index 819a5d9..2f7685a 100644
--- a/backend/controllers/repos_controller.go
+++ b/backend/controllers/repos_controller.go
@@ -44,6 +44,17 @@ func CreateRepo(w http.ResponseWriter, r *http.Request) {
 		repo.LastUpdated = utils.GetCurrentTime()
 	}
 
+	// If the repo already exists, remove the old repo and insert the new one
+	oldRepo, err := db.GetRepoByName(repo.Name)
+	if err == nil {
+		// Delete old repo
+		_, err = db.DeleteRepoByName(oldRepo.Name)
+		if err != nil {
+			http.Error(w, "Error deleting old repo", http.StatusInternalServerError)
+			return
+		}
+	}
+
 	// Insert repo into database
 	_, err = db.GetCollection("repos").InsertOne(context.TODO(), repo)
 	if err != nil {
diff --git a/backend/db/repos_db.go b/backend/db/repos_db.go
index a91f380..1d70343 100644
--- a/backend/db/repos_db.go
+++ b/backend/db/repos_db.go
@@ -5,6 +5,7 @@ import (
 	"log"
 
 	"github.com/g00gol/frieren/backend/types"
+	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo/options"
 )
 
@@ -31,3 +32,33 @@ func GetReposByFilters(filter any) ([]types.Repo, error) {
 
 	return data, err
 }
+
+func GetRepoByName(name string) (types.Repo, error) {
+	collection := GetCollection("repos")
+
+	var data types.Repo
+
+	filter := bson.D{{Key: "name", Value: name}}
+	err := collection.FindOne(context.TODO(), filter).Decode(&data)
+
+	if err != nil {
+		log.Println("Error finding repo:", err)
+		return types.Repo{}, err
+	}
+
+	log.Println("Found repo:", data)
+	return data, err
+}
+
+func DeleteRepoByName(name string) (int64, error) {
+	collection := GetCollection("repos")
+
+	filter := bson.D{{Key: "name", Value: name}}
+	result, err := collection.DeleteOne(context.TODO(), filter)
+	if err != nil {
+		log.Println("Error deleting repo:", err)
+		return 0, err
+	}
+
+	return result.DeletedCount, err
+}