fix(templating): fixed issue with panel/row repeat when saving dashboard, fixes #5591

public/app/features/dashboard/dynamicDashboardSrv.js

-define([
-  'angular',
-  'lodash',
-],
-function (angular, _) {
-  'use strict';
-
-  var module = angular.module('grafana.services');
-
-  module.service('dynamicDashboardSrv', function()  {
-    var self = this;
-
-    this.init = function(dashboard) {
-      if (dashboard.snapshot) { return; }
-
-      this.iteration = new Date().getTime();
-      this.process(dashboard);
-    };
-
-    this.update = function(dashboard) {
-      if (dashboard.snapshot) { return; }
-
-      this.iteration = this.iteration + 1;
-      this.process(dashboard);
-    };
-
-    this.process = function(dashboard) {
-      if (dashboard.templating.list.length === 0) { return; }
-      this.dashboard = dashboard;
-
-      var i, j, row, panel;
-      for (i = 0; i < this.dashboard.rows.length; i++) {
-        row = this.dashboard.rows[i];
-        // handle row repeats
-        if (row.repeat) {
-          this.repeatRow(row, i);
-        }
-        // clean up old left overs
-        else if (row.repeatRowId && row.repeatIteration !== this.iteration) {
-          this.dashboard.rows.splice(i, 1);
-          i = i - 1;
-          continue;
-        }
-
-        // repeat panels
-        for (j = 0; j < row.panels.length; j++) {
-          panel = row.panels[j];
-          if (panel.repeat) {
-            this.repeatPanel(panel, row);
-          }
-          // clean up old left overs
-          else if (panel.repeatPanelId && panel.repeatIteration !== this.iteration) {
-            row.panels = _.without(row.panels, panel);
-            j = j - 1;
-          } else if (row.repeat || row.repeatRowId) {
-            continue;
-          } else if (!_.isEmpty(panel.scopedVars) && panel.repeatIteration !== this.iteration) {
-            panel.scopedVars = {};
-          }
-        }
-      }
-    };
-
-    // returns a new row clone or reuses a clone from previous iteration
-    this.getRowClone = function(sourceRow, repeatIndex, sourceRowIndex) {
-      if (repeatIndex === 0) {
-        return sourceRow;
-      }
-
-      var i, panel, row, copy;
-      var sourceRowId = sourceRowIndex + 1;
-
-      // look for row to reuse
-      for (i = 0; i < this.dashboard.rows.length; i++) {
-        row = this.dashboard.rows[i];
-        if (row.repeatRowId === sourceRowId && row.repeatIteration !== this.iteration) {
-          copy = row;
-          break;
-        }
-      }
-
-      if (!copy) {
-        copy = angular.copy(sourceRow);
-        this.dashboard.rows.splice(sourceRowIndex + repeatIndex, 0, copy);
-
-        // set new panel ids
-        for (i = 0; i < copy.panels.length; i++) {
-          panel = copy.panels[i];
-          panel.id = this.dashboard.getNextPanelId();
-        }
-      }
-
-      copy.repeat = null;
-      copy.repeatRowId = sourceRowId;
-      copy.repeatIteration = this.iteration;
-      return copy;
-    };
-
-    // returns a new row clone or reuses a clone from previous iteration
-    this.repeatRow = function(row, rowIndex) {
-      var variables = this.dashboard.templating.list;
-      var variable = _.findWhere(variables, {name: row.repeat});
-      if (!variable) {
-        return;
-      }
-
-      var selected, copy, i, panel;
-      if (variable.current.text === 'All') {
-        selected = variable.options.slice(1, variable.options.length);
-      } else {
-        selected = _.filter(variable.options, {selected: true});
-      }
-
-      _.each(selected, function(option, index) {
-        copy = self.getRowClone(row, index, rowIndex);
-        copy.scopedVars = {};
-        copy.scopedVars[variable.name] = option;
-
-        for (i = 0; i < copy.panels.length; i++) {
-          panel = copy.panels[i];
-          panel.scopedVars = {};
-          panel.scopedVars[variable.name] = option;
-        }
-      }, this);
-    };
-
-    this.getPanelClone = function(sourcePanel, row, index) {
-      // if first clone return source
-      if (index === 0) {
-        return sourcePanel;
-      }
-
-      var i, tmpId, panel, clone;
-
-      // first try finding an existing clone to use
-      for (i = 0; i < row.panels.length; i++) {
-        panel = row.panels[i];
-        if (panel.repeatIteration !== this.iteration && panel.repeatPanelId === sourcePanel.id) {
-          clone = panel;
-          break;
-        }
-      }
-
-      if (!clone) {
-        clone = { id: this.dashboard.getNextPanelId() };
-        row.panels.push(clone);
-      }
-
-      // save id
-      tmpId = clone.id;
-      // copy properties from source
-      angular.copy(sourcePanel, clone);
-      // restore id
-      clone.id = tmpId;
-      clone.repeatIteration = this.iteration;
-      clone.repeatPanelId = sourcePanel.id;
-      clone.repeat = null;
-      return clone;
-    };
-
-    this.repeatPanel = function(panel, row) {
-      var variables = this.dashboard.templating.list;
-      var variable = _.findWhere(variables, {name: panel.repeat});
-      if (!variable) { return; }
-
-      var selected;
-      if (variable.current.text === 'All') {
-        selected = variable.options.slice(1, variable.options.length);
-      } else {
-        selected = _.filter(variable.options, {selected: true});
-      }
-
-      _.each(selected, function(option, index) {
-        var copy = self.getPanelClone(panel, row, index);
-        copy.span = Math.max(12 / selected.length, panel.minSpan);
-        copy.scopedVars = copy.scopedVars || {};
-        copy.scopedVars[variable.name] = option;
-      });
-    };
-
-  });
-});

public/app/features/dashboard/dynamic_dashboard_srv.ts

@@ -10,10 +10,6 @@ export class DynamicDashboardSrv {
   iteration: number;
   dashboard: any;
 
-  constructor() {
-    this.iteration = new Date().getTime();
-  }
-
   init(dashboard) {
     if (dashboard.snapshot) { return; }
     this.process(dashboard, {});
@@ -21,14 +17,14 @@ export class DynamicDashboardSrv {
 
   update(dashboard) {
     if (dashboard.snapshot) { return; }
-
-    this.iteration = this.iteration + 1;
     this.process(dashboard, {});
   }
 
   process(dashboard, options) {
     if (dashboard.templating.list.length === 0) { return; }
+
     this.dashboard = dashboard;
+    this.iteration = new Date().getTime();
 
     var cleanUpOnly = options.cleanUpOnly;