initial commit

backend/main.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+)
+
+type RelayRequest struct {
+	SolverTimes SolverTimes `json:"solvers"`
+	Events      []Event     `json:"events"`
+}
+
+func main() {
+	r := gin.Default()
+	r.Use(cors.Default())
+
+	r.POST("/relay", func(c *gin.Context) {
+		var req RelayRequest
+		if c.BindJSON(&req) == nil {
+			log.Println(req)
+
+			participants := []Solver{}
+			for s := range req.SolverTimes {
+				participants = append(participants, s)
+			}
+
+			if len(participants) == 0 {
+				c.JSON(http.StatusBadRequest, gin.H{
+					"error": "list of participants is empty",
+				})
+				return
+			}
+
+			if len(participants) > 4 {
+				c.JSON(http.StatusBadRequest, gin.H{
+					"error": "too many participants",
+				})
+				return
+			}
+
+			if len(req.Events) > 10 {
+				c.JSON(http.StatusBadRequest, gin.H{
+					"error": "too many events",
+				})
+				return
+			}
+
+			assignment := Assign(participants, req.SolverTimes, req.Events)
+			log.Println(assignment)
+			c.JSON(http.StatusOK, gin.H{
+				"response": assignment,
+			})
+		}
+	})
+
+	r.Run() // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
+}