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import {IPlan} from '../../interfaces/iplan';
import {Component, OnInit} from 'angular2/core';
import {HighlightType, EstimateDirection} from '../../enums';
import {PlanService} from '../../services/plan-service';
import {SyntaxHighlightService} from '../../services/syntax-highlight-service';
import {HelpService} from '../../services/help-service';
import {ColorService} from '../../services/color-service';
/// <reference path="lodash.d.ts" />
@Component({
selector: 'plan-node',
inputs: ['plan', 'node', 'viewOptions'],
templateUrl: './components/plan-node/plan-node.html',
directives: [PlanNode],
providers: [PlanService, SyntaxHighlightService, HelpService, ColorService]
})
export class PlanNode {
// consts
MAX_WIDTH: number = 220;
MIN_ESTIMATE_MISS: number = 100;
COSTLY_TAG: string = 'costliest';
SLOW_TAG: string = 'slowest';
LARGE_TAG: string = 'largest';
ESTIMATE_TAG: string = 'bad estimate';
// inputs
plan: IPlan;
node: any;
viewOptions: any;
// calculated properties
duration: string;
durationUnit: string;
executionTimePercent: number;
backgroundColor: string;
highlightValue: number;
width: number;
props: Array<any>;
tags: Array<string>;
plannerRowEstimateValue: number;
plannerRowEstimateDirection: EstimateDirection;
currentHighlightType: string;
// expose enum to view
estimateDirections = EstimateDirection;
highlightTypes = HighlightType;
constructor(private _planService: PlanService,
private _syntaxHighlightService: SyntaxHighlightService,
private _helpService: HelpService,
private _colorService: ColorService)
{}
ngOnInit() {
this.currentHighlightType = this.viewOptions.highlightType;
this.calculateBar();
this.calculateProps();
this.calculateDuration();
this.calculateTags();
this.plannerRowEstimateDirection = this.node[this._planService.PLANNER_ESIMATE_DIRECTION];
this.plannerRowEstimateValue = _.round(this.node[this._planService.PLANNER_ESTIMATE_FACTOR]);
}
ngDoCheck() {
// console.log("check", this.currentHighlightType, this.viewOptions.highlightType);
if (this.currentHighlightType !== this.viewOptions.highlightType) {
this.currentHighlightType = this.viewOptions.highlightType;
this.calculateBar();
}
}
getFormattedQuery() {
var keyItems: Array<string> = [];
keyItems.push(this.node[this._planService.SCHEMA_PROP] + '.' + this.node[this._planService.RELATION_NAME_PROP]);
keyItems.push(' ' + this.node[this._planService.RELATION_NAME_PROP] + ' ');
keyItems.push(' ' + this.node[this._planService.ALIAS_PROP] + ' ');
return this._syntaxHighlightService.highlightKeyItems(this.plan.formattedQuery, keyItems);
}
calculateBar() {
switch (this.currentHighlightType) {
case HighlightType.DURATION:
this.highlightValue = (this.node[this._planService.ACTUAL_DURATION_PROP]);
this.width = Math.round((this.highlightValue / this.plan.planStats.maxDuration) * this.MAX_WIDTH);
break;
case HighlightType.ROWS:
this.highlightValue = (this.node[this._planService.ACTUAL_ROWS_PROP]);
this.width = Math.round((this.highlightValue / this.plan.planStats.maxRows) * this.MAX_WIDTH);
break;
case HighlightType.COST:
this.highlightValue = (this.node[this._planService.ACTUAL_COST_PROP]);
this.width = Math.round((this.highlightValue / this.plan.planStats.maxCost) * this.MAX_WIDTH);
break;
}
if (this.width < 1) { this.width = 1 }
this.backgroundColor = this._colorService.numberToColorHsl(1 - this.width / this.MAX_WIDTH);
}
calculateDuration() {
var dur: number = _.round(this.node[this._planService.ACTUAL_DURATION_PROP]);
// convert duration into approriate units
if (dur < 1) {
this.duration = "<1";
this.durationUnit = 'ms';
} else if (dur > 1 && dur < 1000) {
this.duration = dur.toString();
this.durationUnit = 'ms';
} else {
this.duration = _.round(dur / 1000, 2).toString();
this.durationUnit = 'mins';
}
this.executionTimePercent = (_.round((dur / this.plan.planStats.executionTime) * 100));
}
// create an array of node propeties so that they can be displayed in the view
calculateProps() {
this.props = _.chain(this.node)
.omit(this._planService.PLANS_PROP)
.map((value, key) => {
return { key: key, value: value };
})
.value();
}
calculateTags() {
this.tags = [];
if (this.node[this._planService.SLOWEST_NODE_PROP]) {
this.tags.push(this.SLOW_TAG);
}
if (this.node[this._planService.COSTLIEST_NODE_PROP]) {
this.tags.push(this.COSTLY_TAG);
}
if (this.node[this._planService.LARGEST_NODE_PROP]) {
this.tags.push(this.LARGE_TAG);
}
if (this.node[this._planService.PLANNER_ESTIMATE_FACTOR] >= this.MIN_ESTIMATE_MISS) {
this.tags.push(this.ESTIMATE_TAG);
}
}
getNodeTypeDescription() {
return this._helpService.getNodeTypeDescription(this.node[this._planService.NODE_TYPE_PROP]);
}
}
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