材差指标源，新增指数指标&数据

app/lib/rm/material.js

@@ -297,6 +297,33 @@ class rptMemChange extends RptMemBase {
         }
     }
 
+    async getMaterialExponent(fields) {
+        if (!this.ctx.material) return [];
+
+        const materials = await this.ctx.service.material.getAllDataByCondition({
+            where: {tid: this.ctx.material.tid},
+            orders: [['order', 'desc']],
+        });
+        if (materials.length === 0) return [];
+
+        let result, material;
+        material = this.ctx.material;
+        if (materials[0].order === material.order) {
+            result = await this.ctx.service.materialExponent.getAllDataByCondition({
+                where: { tid: material.tid }
+            });
+        } else {
+            const sql = 'SELECT me.id, me.tid, me.mid, mb.type, mb.symbol, mb.symbol_desc, mb.code, mb.remark, mb.in_time,' +
+                '    meh.type, meh.weight_num, meh.basic_price, meh.basic_times, meh.m_price, meh.calc_num, meh.is_summary' +
+                '  FROM ' + this.ctx.service.materialExponentHistory.tableName + ' meh ' +
+                '  LEFT JOIN ' + this.ctx.service.materialExponent.tableName + ' me ON meh.me_id = me.id ' +
+                '  WHERE meh.tid = ? And meh.mid = ?'+
+                '  ORDER By me.id';
+            result = await this.ctx.app.mysql.query(sql, [material.tid, material.id]);
+        }
+        return result;
+    }
+
     getCommonData(params, tableName, fields, customDefine, customSelect) {
         switch (tableName) {
             case 'mem_project':
@@ -323,6 +350,8 @@ class rptMemChange extends RptMemBase {
                 return this.getMaterialPos(fields);
             case 'mem_material_stage':
                 return this.getMaterialStage(fields);
+            case 'mem_material_exponent':
+                return this.getMaterialExponent(fields);
             default:
                 return [];
         }