move server/* to scnserver/*

scnserver/api/handler/common.go

@@ -0,0 +1,212 @@
+package handler
+
+import (
+	"blackforestbytes.com/simplecloudnotifier/api/apierr"
+	"blackforestbytes.com/simplecloudnotifier/api/ginresp"
+	"blackforestbytes.com/simplecloudnotifier/logic"
+	"bytes"
+	"context"
+	"errors"
+	"github.com/gin-gonic/gin"
+	sqlite3 "github.com/mattn/go-sqlite3"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"gogs.mikescher.com/BlackForestBytes/goext/timeext"
+	"net/http"
+	"time"
+)
+
+type CommonHandler struct {
+	app *logic.Application
+}
+
+func NewCommonHandler(app *logic.Application) CommonHandler {
+	return CommonHandler{
+		app: app,
+	}
+}
+
+type pingResponse struct {
+	Message string           `json:"message"`
+	Info    pingResponseInfo `json:"info"`
+}
+type pingResponseInfo struct {
+	Method  string              `json:"method"`
+	Request string              `json:"request"`
+	Headers map[string][]string `json:"headers"`
+	URI     string              `json:"uri"`
+	Address string              `json:"addr"`
+}
+
+// Ping swaggerdoc
+//
+// @Summary Simple endpoint to test connection (any http method)
+// @Tags    Common
+//
+// @Success 200 {object} pingResponse
+// @Failure 500 {object} ginresp.apiError
+//
+// @Router  /api/ping [get]
+// @Router  /api/ping [post]
+// @Router  /api/ping [put]
+// @Router  /api/ping [delete]
+// @Router  /api/ping [patch]
+func (h CommonHandler) Ping(g *gin.Context) ginresp.HTTPResponse {
+	buf := new(bytes.Buffer)
+	_, _ = buf.ReadFrom(g.Request.Body)
+	resuestBody := buf.String()
+
+	return ginresp.JSON(http.StatusOK, pingResponse{
+		Message: "Pong",
+		Info: pingResponseInfo{
+			Method:  g.Request.Method,
+			Request: resuestBody,
+			Headers: g.Request.Header,
+			URI:     g.Request.RequestURI,
+			Address: g.Request.RemoteAddr,
+		},
+	})
+}
+
+// DatabaseTest swaggerdoc
+//
+// @Summary Check for a wroking database connection
+// @ID      api-common-dbtest
+// @Tags    Common
+//
+// @Success 200 {object} handler.DatabaseTest.response
+// @Failure 500 {object} ginresp.apiError
+//
+// @Router  /api/db-test [post]
+func (h CommonHandler) DatabaseTest(g *gin.Context) ginresp.HTTPResponse {
+	type response struct {
+		Success          bool   `json:"success"`
+		LibVersion       string `json:"libVersion"`
+		LibVersionNumber int    `json:"libVersionNumber"`
+		SourceID         string `json:"sourceID"`
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+
+	libVersion, libVersionNumber, sourceID := sqlite3.Version()
+
+	err := h.app.Database.Ping(ctx)
+	if err != nil {
+		return ginresp.InternalError(err)
+	}
+
+	return ginresp.JSON(http.StatusOK, response{
+		Success:          true,
+		LibVersion:       libVersion,
+		LibVersionNumber: libVersionNumber,
+		SourceID:         sourceID,
+	})
+}
+
+// Health swaggerdoc
+//
+// @Summary Server Health-checks
+// @ID      api-common-health
+// @Tags    Common
+//
+// @Success 200 {object} handler.Health.response
+// @Failure 500 {object} ginresp.apiError
+//
+// @Router  /api/health [get]
+func (h CommonHandler) Health(g *gin.Context) ginresp.HTTPResponse {
+	type response struct {
+		Status string `json:"status"`
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+
+	_, libVersionNumber, _ := sqlite3.Version()
+
+	if libVersionNumber < 3039000 {
+		ginresp.InternalError(errors.New("sqlite version too low"))
+	}
+
+	err := h.app.Database.Ping(ctx)
+	if err != nil {
+		return ginresp.InternalError(err)
+	}
+
+	uuidKey, _ := langext.NewHexUUID()
+	uuidWrite, _ := langext.NewHexUUID()
+
+	err = h.app.Database.WriteMetaString(ctx, uuidKey, uuidWrite)
+	if err != nil {
+		return ginresp.InternalError(err)
+	}
+
+	uuidRead, err := h.app.Database.ReadMetaString(ctx, uuidKey)
+	if err != nil {
+		return ginresp.InternalError(err)
+	}
+
+	if uuidRead == nil || uuidWrite != *uuidRead {
+		return ginresp.InternalError(errors.New("writing into DB was not consistent"))
+	}
+
+	err = h.app.Database.DeleteMeta(ctx, uuidKey)
+	if err != nil {
+		return ginresp.InternalError(err)
+	}
+
+	return ginresp.JSON(http.StatusOK, response{Status: "ok"})
+}
+
+// Sleep swaggerdoc
+//
+// @Summary Return 200 after x seconds
+// @ID      api-common-sleep
+// @Tags    Common
+//
+// @Param   secs path     number true "sleep delay (in seconds)"
+//
+// @Success 200  {object} handler.Sleep.response
+// @Failure 400  {object} ginresp.apiError
+// @Failure 500  {object} ginresp.apiError
+//
+// @Router  /api/sleep/{secs} [post]
+func (h CommonHandler) Sleep(g *gin.Context) ginresp.HTTPResponse {
+	type uri struct {
+		Seconds float64 `uri:"secs"`
+	}
+	type response struct {
+		Start    string  `json:"start"`
+		End      string  `json:"end"`
+		Duration float64 `json:"duration"`
+	}
+
+	t0 := time.Now().Format(time.RFC3339Nano)
+
+	var u uri
+	if err := g.ShouldBindUri(&u); err != nil {
+		return ginresp.APIError(g, 400, apierr.BINDFAIL_URI_PARAM, "Failed to read uri", err)
+	}
+
+	time.Sleep(timeext.FromSeconds(u.Seconds))
+
+	t1 := time.Now().Format(time.RFC3339Nano)
+
+	return ginresp.JSON(http.StatusOK, response{
+		Start:    t0,
+		End:      t1,
+		Duration: u.Seconds,
+	})
+}
+
+func (h CommonHandler) NoRoute(g *gin.Context) ginresp.HTTPResponse {
+	return ginresp.JSON(http.StatusNotFound, gin.H{
+		"":           "================ ROUTE NOT FOUND ================",
+		"FullPath":   g.FullPath(),
+		"Method":     g.Request.Method,
+		"URL":        g.Request.URL.String(),
+		"RequestURI": g.Request.RequestURI,
+		"Proto":      g.Request.Proto,
+		"Header":     g.Request.Header,
+		"~":          "================ ROUTE NOT FOUND ================",
+	})
+}