subdivided the project into multiple logical compartments

1 files changed, 47 insertions, 0 deletions

diff --git a/backend/delete.go b/backend/delete.go
new file mode 100644
index 0000000..bc463dd
--- /dev/null
+++ b/backend/delete.go
@@ -0,0 +1,47 @@
+package backend
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+)
+
+// deleteAll Stars deletes all the rows in the stars table
+func DeleteAllStars(database *sql.DB) {
+	db = database
+	// build the query creating a new node
+	query := "DELETE FROM stars WHERE TRUE"
+
+	// execute the query
+	rows, err := db.Query(query)
+	defer rows.Close()
+	if err != nil {
+		log.Fatalf("[ E ] deleteAllStars query: %v\n\t\t\t query: %s\n", err, query)
+	}
+}
+
+// deleteAll Stars deletes all the rows in the nodes table
+func DeleteAllNodes(database *sql.DB) {
+	db = database
+	// build the query creating a new node
+	query := "DELETE FROM nodes WHERE TRUE"
+
+	// execute the query
+	_, err := db.Query(query)
+	if err != nil {
+		log.Fatalf("[ E ] deleteAllStars query: %v\n\t\t\t query: %s\n", err, query)
+	}
+}
+
+// removeStarFromNode removes the star from the node with the given ID
+func removeStarFromNode(nodeID int64) {
+	// build the query
+	query := fmt.Sprintf("UPDATE nodes SET star_id=0 WHERE node_id=%d", nodeID)
+
+	// Execute the query
+	rows, err := db.Query(query)
+	defer rows.Close()
+	if err != nil {
+		log.Fatalf("[ E ] removeStarFromNode query: %v\n\t\t\t query: %s\n", err, query)
+	}
+}