157 lines
3.4 KiB
Go
157 lines
3.4 KiB
Go
package config
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import (
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"fmt"
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"github.com/sqshq/sampler/console"
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"github.com/sqshq/sampler/data"
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"github.com/sqshq/sampler/widgets/asciibox"
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"gopkg.in/yaml.v2"
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"io/ioutil"
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"log"
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"os"
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)
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type Config struct {
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Theme *console.Theme `yaml:"theme,omitempty"`
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RunCharts []RunChartConfig `yaml:"runcharts,omitempty"`
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BarCharts []BarChartConfig `yaml:"barcharts,omitempty"`
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AsciiBoxes []AsciiBoxConfig `yaml:"asciiboxes,omitempty"`
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}
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type ComponentConfig struct {
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Title string `yaml:"title"`
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RefreshRateMs *int `yaml:"refresh-rate-ms,omitempty"`
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Position Position `yaml:"position"`
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Size Size `yaml:"size"`
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}
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type RunChartConfig struct {
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ComponentConfig `yaml:",inline"`
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Legend *LegendConfig `yaml:"legend,omitempty"`
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Scale *int `yaml:"scale,omitempty"`
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Items []data.Item `yaml:"items"`
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}
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type BarChartConfig struct {
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ComponentConfig `yaml:",inline"`
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Scale *int `yaml:"scale,omitempty"`
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Items []data.Item `yaml:"items"`
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}
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type AsciiBoxConfig struct {
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ComponentConfig `yaml:",inline"`
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data.Item `yaml:",inline"`
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Font *asciibox.AsciiFont `yaml:"font,omitempty"`
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}
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type LegendConfig struct {
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Enabled bool `yaml:"enabled"`
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Details bool `yaml:"details"`
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}
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type Position struct {
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X int `yaml:"w"`
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Y int `yaml:"h"`
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}
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type Size struct {
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X int `yaml:"w"`
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Y int `yaml:"h"`
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}
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type ComponentType rune
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const (
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TypeRunChart ComponentType = 0
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TypeBarChart ComponentType = 1
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TypeTextBox ComponentType = 2
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TypeAsciiBox ComponentType = 3
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)
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type ComponentSettings struct {
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Type ComponentType
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Title string
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Size Size
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Position Position
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}
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func Load() *Config {
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if len(os.Args) < 2 {
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println("Please specify config file location. See www.github.com/sqshq/sampler for the reference")
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os.Exit(0)
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}
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cfg := readFile(os.Args[1])
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cfg.validate()
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cfg.setDefaults()
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return cfg
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}
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func Update(settings []ComponentSettings) {
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cfg := readFile(os.Args[1])
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for _, s := range settings {
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componentConfig := cfg.findComponent(s.Type, s.Title)
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componentConfig.Size = s.Size
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componentConfig.Position = s.Position
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}
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saveFile(cfg)
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}
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func (c *Config) findComponent(componentType ComponentType, componentTitle string) *ComponentConfig {
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switch componentType {
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case TypeRunChart:
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for i, component := range c.RunCharts {
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if component.Title == componentTitle {
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return &c.RunCharts[i].ComponentConfig
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}
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}
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case TypeBarChart:
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for i, component := range c.BarCharts {
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if component.Title == componentTitle {
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return &c.BarCharts[i].ComponentConfig
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}
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}
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case TypeAsciiBox:
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for i, component := range c.AsciiBoxes {
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if component.Title == componentTitle {
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return &c.AsciiBoxes[i].ComponentConfig
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}
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}
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}
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panic(fmt.Sprintf(
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"Can't find component type %v with title %v", componentType, componentTitle))
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}
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func readFile(location string) *Config {
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yamlFile, err := ioutil.ReadFile(location)
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if err != nil {
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log.Fatalf("Can't read config file: %s", location)
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}
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cfg := new(Config)
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err = yaml.Unmarshal(yamlFile, cfg)
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if err != nil {
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log.Fatalf("Can't read config file: %v", err)
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}
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return cfg
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}
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func saveFile(config *Config) {
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file, err := yaml.Marshal(config)
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if err != nil {
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log.Fatalf("Can't marshal config file: %v", err)
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}
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err = ioutil.WriteFile("config.yml", file, 0644)
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if err != nil {
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log.Fatalf("Can't save config file: %v", err)
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}
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}
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