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settings.go
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settings.go
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package config
import (
"bufio"
"bytes"
"io"
"os"
"strings"
"github.com/gdscheele/udocs/cli/udocs"
)
type Settings struct {
EntryPoint string
BindAddr string
Port string
RootRoute string
Organization string
SearchPlaceholder string
Email string
Routes []string
MongoURL string
QuipAccessToken string
PrimaryColor string
HomePath string
ProjectDir string
DocsDir string
}
func LoadSettings() Settings {
return EnvVars(Conf())
}
func DefaultSettings() Settings {
return Settings{
EntryPoint: "http://localhost",
BindAddr: "0.0.0.0",
Port: "9554",
SearchPlaceholder: "Search",
Routes: []string{},
PrimaryColor: "#5ca616",
HomePath: "",
ProjectDir: "",
DocsDir: "",
}
}
func (s Settings) String() string {
buf := new(bytes.Buffer)
buf.WriteString("\nUDOCS_ENTRY_POINT=" + s.EntryPoint)
buf.WriteString("\nUDOCS_BIND_ADDR=" + s.BindAddr)
buf.WriteString("\nUDOCS_PORT=" + s.Port)
buf.WriteString("\nUDOCS_ROOT_ROUTE=" + s.RootRoute)
buf.WriteString("\nUDOCS_ROUTES=" + sliceToString(s.Routes))
buf.WriteString("\nUDOCS_MONGO_URL=" + s.MongoURL)
buf.WriteString("\nUDOCS_ORGANIZATION=" + s.Organization)
buf.WriteString("\nUDOCS_QUIP_ACCESS_TOKEN=" + s.QuipAccessToken)
buf.WriteString("\nUDOCS_PRIMARY_COLOR=" + s.PrimaryColor)
return buf.String()
}
func EnvVars(settings Settings) Settings {
return Settings{
EntryPoint: loadEnvVar("UDOCS_ENTRY_POINT", settings.EntryPoint),
BindAddr: loadEnvVar("UDOCS_BIND_ADDR", settings.BindAddr),
Port: loadEnvVar("UDOCS_PORT", settings.Port),
RootRoute: loadEnvVar("UDOCS_ROOT_ROUTE", settings.RootRoute),
Organization: loadEnvVar("UDOCS_ORGANIZATION", settings.Organization),
Email: loadEnvVar("UDOCS_EMAIL", settings.Email),
SearchPlaceholder: loadEnvVar("UDOCS_SEARCH_PLACEHOLDER", settings.SearchPlaceholder),
Routes: strings.Split(loadEnvVar("UDOCS_ROUTES", sliceToString(settings.Routes)), ","),
MongoURL: loadEnvVar("UDOCS_MONGO_URL", settings.MongoURL),
QuipAccessToken: loadEnvVar("UDOCS_QUIP_ACCESS_TOKEN", settings.QuipAccessToken),
PrimaryColor: loadEnvVar("UDOCS_PRIMARY_COLOR", settings.PrimaryColor),
}
}
func loadEnvVar(key, defaultValue string) string {
value := os.Getenv(key)
if value == "" {
value = defaultValue
}
return value
}
func Conf() Settings {
f, err := os.Open(udocs.ConfPath())
if err != nil {
return EnvVars(DefaultSettings())
}
defer f.Close()
return loadFromMap(toMap(f))
}
func loadFromMap(m map[string]string) Settings {
return Settings{
EntryPoint: m["UDOCS_ENTRY_POINT"],
BindAddr: m["UDOCS_BIND_ADDR"],
Port: m["UDOCS_PORT"],
RootRoute: m["UDOCS_ROOT_ROUTE"],
Organization: m["UDOCS_ORGANIZATION"],
Email: m["UDOCS_EMAIL"],
SearchPlaceholder: m["UDOCS_SEARCH_PLACEHOLDER"],
Routes: strings.Split(m["UDOCS_ROUTES"], ","),
MongoURL: m["UDOCS_MONGO_URL"],
QuipAccessToken: m["UDOCS_QUIP_ACCESS_TOKEN"],
PrimaryColor: m["UDOCS_PRIMARY_COLOR"],
}
}
func toMap(r io.Reader) map[string]string {
conf := make(map[string]string)
scanner := bufio.NewScanner(r)
for scanner.Scan() {
tokens := strings.Split(scanner.Text(), "=")
if len(tokens) == 2 {
conf[tokens[0]] = tokens[1]
}
}
return conf
}
func sliceToString(slice []string) string {
buf := new(bytes.Buffer)
for i, v := range slice {
buf.WriteString(v)
if i != len(slice)-1 {
buf.WriteRune(',')
}
}
return buf.String()
}