Remove errors.go

This commit refactors the codebase. The functionality of the error
handling is slightly reduced but the benefit are around 80 lines of code
which could be removed.

1 files changed, 0 insertions, 84 deletions

diff --git a/errors.go b/errors.go
deleted file mode 100644
index 193cc11..0000000
--- a/errors.go
+++ /dev/null
@@ -1,84 +0,0 @@
-
-package main
-
-import (
-	"fmt"
-	"log"
-	"net/http"
-)
-
-func Err(w http.ResponseWriter, code int, a ...interface{}) {
-
-	var msg string  // format string for error message
-	var hc int      // HTTP error code
-
-	var prefix string = fmt.Sprintf("Error %d - ", code)
-
-	// ATTENTION: the used error codes in this switch statements should be
-	// stable. Do not change them, just append to the list!
-	switch code {
-
-		case 1:
-			msg = "Failed to load recipes from database."
-			hc = http.StatusInternalServerError
-
-		case 2:
-			msg = "Could not parse recipe from database request."
-			hc = http.StatusInternalServerError
-
-		case 3:
-			msg = "Exactly 1 'id' URL parameter expected but %d provided."
-			hc = http.StatusBadRequest
-
-		case 4:
-			msg = "'id' URL parameter '%s' doas not match the regex '%s'."
-			hc = http.StatusBadRequest
-
-		case 5:
-			msg = "Received error from database: '%s'."
-			hc = http.StatusInternalServerError
-
-		case 6:
-			msg = "Expected exactly 1 recipe from database but got %d."
-			hc = http.StatusInternalServerError
-
-		// deprecated
-		case 7:
-			msg = "Exactly 1 'type' URL parameter expected but %d provided."
-			hc = http.StatusBadRequest
-
-		case 8:
-			msg = "Form data does not contain recipe URL (key is '%s')."
-			hc = http.StatusBadRequest
-
-		case 9:
-			msg = "Could not add recipe: '%s'."
-			hc = http.StatusInternalServerError
-
-		case 10:
-			msg = "Expected exactly 1 recipe URL in '%s' but got %d (regex is '%s')."
-			hc = http.StatusBadRequest
-
-		case 11:
-			msg = "Could not get recipe ID from database: '%s'."
-			hc = http.StatusInternalServerError
-
-		// deprecated
-		case 12:
-			msg = "Given recipe type '%s' is unknown."
-			hc = http.StatusBadRequest
-
-		default:
-			msg = "An unknown error occured."
-			hc = http.StatusInternalServerError
-
-	}
-
-	// format full error message
-	final := fmt.Sprintf(prefix + msg, a...)
-
-	// send message to log and user
-	log.Println(final)
-	http.Error(w, final, hc)
-
-}