add new api

src/helpers/common.ts

@@ -1,4 +1,5 @@
 import { Logger, ILogObj } from 'tslog';
+import { validate } from 'uuid';
 
 const log: Logger<ILogObj> = new Logger({ name: '[CommonHelper]', type: 'pretty' });
 
@@ -63,4 +64,104 @@ export default class CommonHelper {
 
         return '';
     }
+
+    static handleFilter(param: { filter: any, col_any_eq: string[], col_any_like: string[], additional_where?: string }): any {
+        const whereAttrPre = [];
+        const whereVal: any = {};
+
+        if (param.filter) {
+            try {
+                param.filter = JSON.parse(param.filter);
+
+                let filter_any = false;
+                let filter_any_val = '';
+
+                for (let p in param.filter) {
+                    let f = String(param.filter[p])
+
+                    if (p != 'any') {
+                        if (!validate(f)) {
+                            whereAttrPre.push("LOWER(" + p + ") = :" + p);
+                            f = f.toLowerCase();
+                        } else {
+                            whereAttrPre.push(p + " = :" + p);
+                        }
+
+                        whereVal[p] = f;
+                    } else {
+                        filter_any = true;
+                        filter_any_val = f;
+                    }
+                }
+
+                if (filter_any) {
+                    let wtp = []
+                    if (param.col_any_eq.length > 0) {
+                        const eqr = [];
+                        for (let c of param.col_any_eq) {
+                            eqr.push('LOWER(' + c + ') = :filter_eq');
+                        }
+                        const eq = '(' + eqr.join(' or ') + ')';
+
+                        wtp.push(eq);
+                    }
+                    if (param.col_any_like.length > 0) {
+                        const liker = [];
+                        for (let c of param.col_any_like) {
+                            liker.push(c + ' like :filter_like');
+                        }
+
+                        const like = '(' + liker.join(' or ') + ')';
+
+                        wtp.push(like);
+                    }
+
+                    whereAttrPre.push('(' + wtp.join(' or ') + ')');
+
+                    if (param.col_any_eq.length > 0) {
+                        whereVal['filter_eq'] = filter_any_val;
+                    }
+                    if (param.col_any_like.length > 0) {
+                        whereVal['filter_like'] = '%' + filter_any_val + '%';
+                    }
+                }
+            } catch (e: any) {
+                let wtp = []
+                if (param.col_any_eq.length > 0) {
+                    const eqr = [];
+                    for (let c of param.col_any_eq) {
+                        eqr.push('LOWER(' + c + ') = :filter_eq');
+                    }
+                    const eq = '(' + eqr.join(' or ') + ')';
+
+                    wtp.push(eq);
+                }
+                if (param.col_any_like.length > 0) {
+                    const liker = [];
+                    for (let c of param.col_any_like) {
+                        liker.push(c + ' like :filter_like');
+                    }
+
+                    const like = '(' + liker.join(' or ') + ')';
+
+                    wtp.push(like);
+                }
+
+                whereAttrPre.push('(' + wtp.join(' or ') + ')');
+
+                if (param.col_any_eq.length > 0) {
+                    whereVal['filter_eq'] = param.filter.toLowerCase();
+                }
+                if (param.col_any_like.length > 0) {
+                    whereVal['filter_like'] = '%' + param.filter + '%';
+                }
+
+            }
+        }
+
+        const whereAttr = whereAttrPre.join(' and ') + (whereAttrPre.length > 0 && param.additional_where != '' ? ' and ' : '') + param.additional_where;
+
+
+        return { whereAttr, whereVal };
+    }
 }