src/type/dynamicQueries.ts

@@ -6,22 +6,25 @@ export interface DynamicQueryStructure {
   orderBy?: { [key: string]: "ASC" | "DESC" };
 }
 
-export type ConditionStructure =
+export type ConditionStructure = (
   | {
-      type: WhereType;
       column: string;
       operation: WhereOperation;
       value: ConditionValue;
     }
   | {
-      type: WhereType;
+      invert?: boolean;
       condition: Array<ConditionStructure>;
+    }
+) & {
+  concat: WhereType;
+  structureType: "condition" | "nested";
 };
 
 export type ConditionValue = FieldType | Array<FieldType> | { start: FieldType; end: FieldType };
 export type FieldType = number | string | Date | boolean;
 
-export type WhereType = "OR" | "AND" | "_";
+export type WhereType = "OR" | "AND" | "_"; // _ represents initial where in (sub-)query
 
 export type WhereOperation =
   | "eq" //	Equal
@@ -45,22 +48,26 @@ const exampleQuery: DynamicQueryStructure = {
   table: "member",
   where: [
     {
-      type: "_",
+      structureType: "condition",
+      concat: "_",
       column: "mail",
       operation: "endsWith",
       value: "@gmail.com",
     },
     {
-      type: "AND",
+      structureType: "nested",
+      concat: "AND",
       condition: [
         {
-          type: "_",
+          structureType: "condition",
+          concat: "_",
           column: "firstname",
           operation: "startsWith",
           value: "J",
         },
         {
-          type: "OR",
+          structureType: "condition",
+          concat: "OR",
           column: "lastname",
           operation: "startsWith",
           value: "K",
@@ -74,6 +81,27 @@ const exampleQuery: DynamicQueryStructure = {
       table: "communication",
       foreignColumn: "sendNewsletter",
     },
+    {
+      select: "*",
+      table: "membership",
+      foreignColumn: "memberships",
+      join: [
+        {
+          select: "*",
+          table: "membership_status",
+          foreignColumn: "status",
+          where: [
+            {
+              structureType: "condition",
+              concat: "_",
+              column: "status",
+              operation: "eq",
+              value: "aktiv",
+            },
+          ],
+        },
+      ],
+    },
   ],
   orderBy: {
     firstname: "ASC",