118 lines
3.3 KiB
Go
118 lines
3.3 KiB
Go
package main
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import (
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"log"
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"os"
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"os/user"
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"path"
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"path/filepath"
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"time"
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"github.com/kkyr/fig"
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)
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// Configurations relating to HTTP server.
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type HTTPConfig struct {
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BindAddr string `fig:"bind_addr"`
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Port uint `fig:"port"`
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Debug bool `fig:"debug"`
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APIKey string `fig:"api_key"`
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}
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// Configurations relating to database.
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type DBConfig struct {
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Type string `fig:"type"` // Review documentation at http://gorm.io/docs/connecting_to_the_database.html
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Connection string `fig:"connection"`
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Debug bool `fig:"debug"`
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}
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// Configurations relating to Planning Center API/Sync.
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type PlanningCenterConfig struct {
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AppID string `fig:"app_id"`
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Secret string `fig:"secret"`
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ServiceTypeIDs []uint64 `fig:"service_type_ids"` // Filter to service type IDs listed.
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}
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// Configurations relating to Slack API/channel creation.
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type SlackConfig struct {
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CreateFromWeekday int `fig:"create_from_weekday"` // Create ahead from this weekday. -1 value is default and will instead create from the current time of operation.
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CreateChannelsAhead time.Duration `fig:"create_channels_ahead"` // Amount of time of future services to create channels head for. Defaults to 8 days head.
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APIToken string `fig:"api_token"`
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StickyUsers []string `fig:"sticky_users"` // Users to add to every channel.
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DefaultConversation string `fig:"default_conversation"` // Slack user that administers this app.
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}
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// Configuration Structure.
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type Config struct {
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HTTP HTTPConfig `fig:"http"`
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DB DBConfig `fig:"database"`
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PlanningCenter PlanningCenterConfig `fig:"planning_center"`
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Slack SlackConfig `fig:"slack"`
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}
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// Load the configuration.
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func (a *App) ReadConfig() {
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usr, err := user.Current()
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if err != nil {
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log.Fatal(err)
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}
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// Configuration paths.
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localConfig, _ := filepath.Abs("./config.yaml")
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homeDirConfig := usr.HomeDir + "/.config/service-notifications/config.yaml"
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etcConfig := "/etc/service-notifications/config.yaml"
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// Determine which configuration to use.
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var configFile string
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if _, err := os.Stat(app.flags.ConfigPath); err == nil && app.flags.ConfigPath != "" {
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configFile = app.flags.ConfigPath
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} else if _, err := os.Stat(localConfig); err == nil {
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configFile = localConfig
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} else if _, err := os.Stat(homeDirConfig); err == nil {
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configFile = homeDirConfig
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} else if _, err := os.Stat(etcConfig); err == nil {
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configFile = etcConfig
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} else {
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log.Fatal("Unable to find a configuration file.")
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}
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// Load the configuration file.
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config := &Config{
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HTTP: HTTPConfig{
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BindAddr: "",
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Port: 34935,
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Debug: true,
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},
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DB: DBConfig{
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Type: "sqlite3",
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Connection: "service-notifications.db",
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},
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Slack: SlackConfig{
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CreateFromWeekday: -1,
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CreateChannelsAhead: time.Hour * 24 * 8,
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},
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}
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// Load configuration.
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filePath, fileName := path.Split(configFile)
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err = fig.Load(config,
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fig.File(fileName),
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fig.Dirs(filePath),
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)
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if err != nil {
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log.Printf("Error parsing configuration: %s\n", err)
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return
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}
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// Override flags.
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if app.flags.HTTPBind != "" {
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config.HTTP.BindAddr = app.flags.HTTPBind
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}
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if app.flags.HTTPPort != 0 {
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config.HTTP.Port = app.flags.HTTPPort
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}
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// Set global config structure.
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app.config = config
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}
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