first commit

pkg/api/handle_market.go

@@ -0,0 +1,60 @@
+package api
+
+import "github.com/gin-gonic/gin"
+
+type Market struct {
+	Id          int64  `json:"id"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Location    string `json:"location"`
+}
+
+func handleGetMarket(c *gin.Context) {
+	markets := make([]Market, 0)
+
+	rows, err := db.Query(`select id, name, description, location from market`)
+	if err != nil {
+		c.AbortWithError(500, err)
+		return
+	}
+
+	for rows.Next() {
+		var market Market
+		err = rows.Scan(&market.Id, &market.Name, &market.Description, &market.Location)
+		if err != nil {
+			c.AbortWithError(500, err)
+			return
+		}
+		markets = append(markets, market)
+	}
+
+	c.JSON(200, gin.H{
+		"markets": markets,
+	})
+}
+
+func handleGetMarketByDistance(c *gin.Context) {
+	markets := make([]Market, 0)
+	point := c.Query("point")
+
+	rows, err := db.Query(`select id, name, description, location, location<->$1 as dist from market order by dist`, point)
+	if err != nil {
+		c.AbortWithError(500, err)
+		return
+	}
+
+	var x string
+	for rows.Next() {
+		var market Market
+		err = rows.Scan(&market.Id, &market.Name, &market.Description, &market.Location, &x)
+		if err != nil {
+			c.AbortWithError(500, err)
+			return
+		}
+		markets = append(markets, market)
+	}
+
+	c.JSON(200, gin.H{
+		"markets": markets,
+	})
+}