initial commit by simponic-infra

1 files changed, 91 insertions, 0 deletions

diff --git a/api/api.go b/api/api.go
new file mode 100644
index 0000000..17d317c
--- /dev/null
+++ b/api/api.go
@@ -0,0 +1,91 @@
+package api
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"git.simponic.xyz/simponic/phoneassistant/api/template"
+	"git.simponic.xyz/simponic/phoneassistant/api/types"
+	"git.simponic.xyz/simponic/phoneassistant/args"
+	"git.simponic.xyz/simponic/phoneassistant/utils"
+)
+
+func LogRequestContinuation(context *types.RequestContext, req *http.Request, resp http.ResponseWriter) types.ContinuationChain {
+	return func(success types.Continuation, _failure types.Continuation) types.ContinuationChain {
+		context.Start = time.Now()
+		context.Id = utils.RandomId()
+
+		log.Println(req.Method, req.URL.Path, req.RemoteAddr, context.Id)
+		return success(context, req, resp)
+	}
+}
+
+func LogExecutionTimeContinuation(context *types.RequestContext, req *http.Request, resp http.ResponseWriter) types.ContinuationChain {
+	return func(success types.Continuation, _failure types.Continuation) types.ContinuationChain {
+		end := time.Now()
+		log.Println(context.Id, "took", end.Sub(context.Start))
+
+		return success(context, req, resp)
+	}
+}
+
+func HealthCheckContinuation(context *types.RequestContext, req *http.Request, resp http.ResponseWriter) types.ContinuationChain {
+	return func(success types.Continuation, _failure types.Continuation) types.ContinuationChain {
+		resp.WriteHeader(200)
+		resp.Write([]byte("healthy"))
+		return success(context, req, resp)
+	}
+}
+
+func FailurePassingContinuation(context *types.RequestContext, req *http.Request, resp http.ResponseWriter) types.ContinuationChain {
+	return func(_success types.Continuation, failure types.Continuation) types.ContinuationChain {
+		return failure(context, req, resp)
+	}
+}
+
+func IdContinuation(context *types.RequestContext, req *http.Request, resp http.ResponseWriter) types.ContinuationChain {
+	return func(success types.Continuation, _failure types.Continuation) types.ContinuationChain {
+		return success(context, req, resp)
+	}
+}
+
+func CacheControlMiddleware(next http.Handler, maxAge int) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		header := fmt.Sprintf("public, max-age=%d", maxAge)
+		w.Header().Set("Cache-Control", header)
+		next.ServeHTTP(w, r)
+	})
+}
+
+func MakeMux(argv *args.Arguments, dbConn *sql.DB) *http.ServeMux {
+	mux := http.NewServeMux()
+
+	staticFileServer := http.FileServer(http.Dir(argv.StaticPath))
+	mux.Handle("GET /static/", http.StripPrefix("/static/", CacheControlMiddleware(staticFileServer, 3600)))
+
+	makeRequestContext := func() *types.RequestContext {
+		return &types.RequestContext{
+			DBConn:       dbConn,
+			Args:         argv,
+			TemplateData: &map[string]interface{}{},
+		}
+	}
+
+	mux.HandleFunc("GET /health", func(w http.ResponseWriter, r *http.Request) {
+		requestContext := makeRequestContext()
+		LogRequestContinuation(requestContext, r, w)(HealthCheckContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
+	})
+
+	mux.HandleFunc("GET /", func(w http.ResponseWriter, r *http.Request) {
+		requestContext := makeRequestContext()
+
+		(*requestContext.TemplateData)["Service"] = "phoneassistant"
+		templateFile := "hello.html"
+		LogRequestContinuation(requestContext, r, w)(template.TemplateContinuation(templateFile, true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
+	})
+
+	return mux
+}