badger/internal/api/server.go

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2023-03-14 09:53:33 +01:00
package api
import (
"net/http"
"strconv"
"velvettear/badger/internal/config"
"velvettear/badger/internal/library"
"velvettear/badger/internal/log"
)
// exported function(s)
func StartServer() {
serverAddress := config.ApiListen() + ":" + strconv.Itoa(config.ApiPort())
registerEndpoints()
log.Info("starting the api server", "address: '"+serverAddress+"'")
error := http.ListenAndServe(serverAddress, nil)
if error != nil {
log.Fatal("encountered an error starting the api server", error.Error())
}
}
// unexported function(s)
func registerEndpoints() {
endpoint{
address: "/library/update",
async: false,
function: library.Update,
}.register()
endpoint{
address: "/library/import",
async: false,
function: library.Import,
}.register()
endpoint{
address: "/library/duplicates",
async: false,
function: library.FindDuplicates,
}.register()
}
func (endpoint endpoint) register() {
log.Debug("registering api endpoint '" + endpoint.address + "'...")
http.HandleFunc(endpoint.address, func(response http.ResponseWriter, request *http.Request) {
log.Debug("called api endpoint '" + endpoint.address + "'...")
if !runBlocking(endpoint.address) {
response.Write([]byte("function '" + getRunning().functionName + "' is already running"))
response.WriteHeader(503)
}
state := getRunning()
msg := "function '" + state.functionName + "'"
if endpoint.async {
go endpoint.function.(func())()
msg += " started asynchronously"
} else {
endpoint.function.(func())()
msg += " finished after " + strconv.Itoa(int(finish().Milliseconds())) + "ms"
}
response.Write([]byte(msg))
})
}
// struct(s)
type endpoint struct {
address string
async bool
function interface{}
}