chore: added logger and closes #33

logic/models/test.go

@@ -0,0 +1,73 @@
+package models
+
+import (
+	"image"
+	"image/color"
+	_ "image/png"
+	"os"
+
+	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/models/utils"
+	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/utils"
+)
+
+func testImgForModel(c *Context, model *BaseModel, path string) (result bool) {
+	result = false
+
+	infile, err := os.Open(path)
+	if err != nil {
+        c.Logger.Errorf("Failed to read image for model with id %s\nErr:%s", model.Id, err)
+		return
+	}
+	defer infile.Close()
+
+	src, format, err := image.Decode(infile)
+	if err != nil {
+        c.Logger.Errorf("Failed to decode image for model with id %s\nErr:%s", model.Id, err)
+		return
+	}
+	if format != "png" {
+        c.Logger.Errorf("Found unkown format '%s' while testing an image\n", format)
+        return
+	}
+
+	var model_color string
+
+	bounds := src.Bounds()
+	width, height := bounds.Max.X, bounds.Max.Y
+
+	switch src.ColorModel() {
+	case color.Gray16Model:
+		fallthrough
+	case color.GrayModel:
+		model_color = "greyscale"
+	default:
+        c.Logger.Error("Do not know how to handle this color model")
+
+		if src.ColorModel() == color.RGBA64Model {
+			c.Logger.Info("Color is rgb")
+		} else if src.ColorModel() == color.NRGBAModel {
+			c.Logger.Info("Color is nrgb")
+		} else if src.ColorModel() == color.YCbCrModel {
+			c.Logger.Info("Color is ycbcr")
+		} else if src.ColorModel() == color.AlphaModel {
+			c.Logger.Info("Color is alpha")
+		} else if src.ColorModel() == color.CMYKModel {
+			c.Logger.Info("Color is cmyk")
+		} else {
+			c.Logger.Info("Other so assuming color")
+		}
+        return
+	}
+
+    if (StringToImageMode(model_color) != model.ImageMode) {
+        c.Logger.Warn("Color Mode does not match with model color mode", model_color, model.ImageMode)
+        return
+    }
+
+    if height != model.Height || width != model.Width {
+        c.Logger.Warn("Image size does not match model size", width, height, model.Width, model.Height)
+        return
+    }
+
+	return true
+}