(Feat): Initial Commit

internal/util/db/join.go

@@ -0,0 +1,63 @@
+package db
+
+import (
+	"fmt"
+
+	"github.com/aarondl/sqlboiler/v4/queries/qm"
+)
+
+// InnerJoinWithFilter returns an InnerJoin QueryMod formatted using the provided join tables and columns including an
+// additional filter condition. Omitting the optional filter table will use the provided join table as a base for the filter.
+func InnerJoinWithFilter(baseTable string, baseColumn string, joinTable string, joinColumn string, filterColumn string, filterValue interface{}, optFilterTable ...string) qm.QueryMod {
+	filterTable := joinTable
+	if len(optFilterTable) > 0 {
+		filterTable = optFilterTable[0]
+	}
+
+	return qm.InnerJoin(fmt.Sprintf("%s ON %s.%s=%s.%s AND %s.%s=?",
+		joinTable,
+		joinTable,
+		joinColumn,
+		baseTable,
+		baseColumn,
+		filterTable,
+		filterColumn), filterValue)
+}
+
+// InnerJoin returns an InnerJoin QueryMod formatted using the provided join tables and columns.
+func InnerJoin(baseTable string, baseColumn string, joinTable string, joinColumn string) qm.QueryMod {
+	return qm.InnerJoin(fmt.Sprintf("%s ON %s.%s=%s.%s",
+		joinTable,
+		joinTable,
+		joinColumn,
+		baseTable,
+		baseColumn))
+}
+
+// LeftOuterJoin returns an LeftOuterJoin QueryMod formatted using the provided join tables and columns.
+func LeftOuterJoin(baseTable string, baseColumn string, joinTable string, joinColumn string) qm.QueryMod {
+	return qm.LeftOuterJoin(fmt.Sprintf("%s ON %s.%s=%s.%s",
+		joinTable,
+		joinTable,
+		joinColumn,
+		baseTable,
+		baseColumn))
+}
+
+// LeftOuterJoinWithFilter returns an LeftOuterJoin QueryMod formatted using the provided join tables and columns including an
+// additional filter condition. Omitting the optional filter table will use the provided join table as a base for the filter.
+func LeftOuterJoinWithFilter(baseTable string, baseColumn string, joinTable string, joinColumn string, filterColumn string, filterValue interface{}, optFilterTable ...string) qm.QueryMod {
+	filterTable := joinTable
+	if len(optFilterTable) > 0 {
+		filterTable = optFilterTable[0]
+	}
+
+	return qm.LeftOuterJoin(fmt.Sprintf("%s ON %s.%s=%s.%s AND %s.%s=?",
+		joinTable,
+		joinTable,
+		joinColumn,
+		baseTable,
+		baseColumn,
+		filterTable,
+		filterColumn), filterValue)
+}