From 00711cab5bb8f3cdd1b86d062ef067587e3fc18a Mon Sep 17 00:00:00 2001
From: Arda Serdar Pektezol <1669855+pektezol@users.noreply.github.com>
Date: Fri, 22 Nov 2024 13:11:50 +0300
Subject: feat/backend: local demos path for testing (#243)

Co-authored-by: NeKz <nekzor@users.noreply.github.com>
---
 backend/.env.example       | 27 +++++++-------
 backend/handlers/record.go | 92 ++++++++++++++++++++++++++++++++++++----------
 2 files changed, 86 insertions(+), 33 deletions(-)

diff --git a/backend/.env.example b/backend/.env.example
index 90ca8b4..b0a7101 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,13 +1,14 @@
-PORT=
-SECRET_KEY=
-API_KEY=
-ENV=
-DB_HOST=
-DB_PORT=
-DB_USER=
-DB_PASS=
-DB_NAME=
-B2_BUCKET_NAME=
-B2_KEY_ID=
-B2_API_KEY=
-B2_DOWNLOAD_URL=
+PORT=4000
+SECRET_KEY=123456789ABCDEF
+API_KEY=123456789ABCDEF
+ENV=DEV
+DB_HOST=localhost
+DB_PORT=5432
+DB_USER=postgres
+DB_PASS=postgres
+DB_NAME=postgres
+B2_BUCKET_NAME=lphub
+B2_KEY_ID=123456789ABCDEF
+B2_API_KEY=123456789ABCDEF
+B2_DOWNLOAD_URL=https://lphub.s3.eu-central-001.backblazeb2.com/
+LOCAL_DEMOS_PATH=/path/to/demos/
diff --git a/backend/handlers/record.go b/backend/handlers/record.go
index 91e74b9..25a6c6d 100644
--- a/backend/handlers/record.go
+++ b/backend/handlers/record.go
@@ -22,7 +22,6 @@ import (
 type RecordRequest struct {
 	HostDemo    *multipart.FileHeader `json:"host_demo" form:"host_demo" binding:"required" swaggerignore:"true"`
 	PartnerDemo *multipart.FileHeader `json:"partner_demo" form:"partner_demo" swaggerignore:"true"`
-	PartnerID   string                `json:"partner_id" form:"partner_id"`
 }
 
 type RecordResponse struct {
@@ -197,6 +196,45 @@ func CreateRecordWithDemo(c *gin.Context) {
 			return
 		}
 	}
+	if os.Getenv("ENV") == "DEV" {
+		if localPath := os.Getenv("LOCAL_DEMOS_PATH"); localPath != "" {
+			for i, header := range demoFileHeaders {
+				f, err := header.Open()
+				if err != nil {
+					c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+					return
+				}
+				defer f.Close()
+				var objectName string
+				if i == 0 {
+					objectName = hostDemoUUID + ".dem"
+				} else if i == 1 {
+					objectName = partnerDemoUUID + ".dem"
+				}
+				demo, err := os.Create(localPath + objectName)
+				if err != nil {
+					c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+					return
+				}
+				defer demo.Close()
+				_, err = io.Copy(demo, f)
+				if err != nil {
+					c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+					return
+				}
+			}
+			if err = tx.Commit(); err != nil {
+				c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+				return
+			}
+			c.JSON(http.StatusOK, models.Response{
+				Success: true,
+				Message: "Successfully created record.",
+				Data:    RecordResponse{ScoreCount: hostDemoScoreCount, ScoreTime: hostDemoScoreTime},
+			})
+			return
+		}
+	}
 	// Everything is good, upload the demo files.
 	client, err := b2.NewClient(context.Background(), os.Getenv("B2_KEY_ID"), os.Getenv("B2_API_KEY"))
 	if err != nil {
@@ -347,32 +385,46 @@ func DownloadDemoWithID(c *gin.Context) {
 		return
 	}
 
-	fileName := uuid + ".dem"
-	url := os.Getenv("B2_DOWNLOAD_URL") + fileName
-	output, err := os.Create(fileName)
-	if err != nil {
-		c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
-		return
-	}
-	defer os.Remove(fileName)
-	defer output.Close()
-	response, err := http.Get(url)
-	if err != nil {
-		c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
-		return
+	localPath := ""
+	if os.Getenv("ENV") == "DEV" {
+		localPath = os.Getenv("LOCAL_DEMOS_PATH")
 	}
-	defer response.Body.Close()
-	_, err = io.Copy(output, response.Body)
-	if err != nil {
-		c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
-		return
+
+	fileName := uuid + ".dem"
+	if localPath == "" {
+		url := os.Getenv("B2_DOWNLOAD_URL") + fileName
+		output, err := os.Create(fileName)
+		if err != nil {
+			c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+			return
+		}
+		defer os.Remove(fileName)
+		defer output.Close()
+		response, err := http.Get(url)
+		if err != nil {
+			c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+			return
+		}
+		defer response.Body.Close()
+		_, err = io.Copy(output, response.Body)
+		if err != nil {
+			c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+			return
+		}
 	}
+
 	// Downloaded file
 	c.Header("Content-Description", "File Transfer")
 	c.Header("Content-Transfer-Encoding", "binary")
 	c.Header("Content-Disposition", "attachment; filename="+fileName)
 	c.Header("Content-Type", "application/octet-stream")
-	c.File(fileName)
+
+	if localPath == "" {
+		c.File(fileName)
+	} else {
+		c.File(localPath + fileName)
+	}
+
 	// c.FileAttachment()
 }
 
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