Get photo info from the database

Specs

transformation_url(String.t(), String.t()) :: String.t()

Convert a Cloudinary resource to EXPLO's preferred photo ID transformation.

Possible transformation options are:

• face_center - Center on the face, the default
• rotate_left - 90 degree counterclockwise rotation
• rotate_right - 90-degree clockwise rotation
• v_flip - Vertical flip
• zoom_out - Zoom out a bit
• zoom_in - Zoom in a bit

Returns a URL referencing a PNG image.

Examples

iex> Z.Photos.transformation_url("sample", "face_center")
"https://res.cloudinary.com/explo/image/upload/c_thumb,e_improve,g_face:center,h_300,q_auto:good,r_max,w_300,z_0.8/sample.png"

iex> Z.Photos.transformation_url("sample", "zoom_out")
"https://res.cloudinary.com/explo/image/upload/c_thumb,e_improve,g_face,h_300,q_auto:good,r_max,w_300,z_0.6/sample.png"

iex> Z.Photos.transformation_url("sample", "rotate_left")
"https://res.cloudinary.com/explo/image/upload/a_-90,c_thumb,e_improve,g_face,h_300,q_auto:good,r_max,w_300,z_0.8/sample.png"

iex> Z.Photos.transformation_url("sample", "none")
"https://res.cloudinary.com/explo/image/upload/c_thumb,e_improve,g_face,h_300,q_auto:good,r_max,w_300,z_0.8/sample.png"

Upload a photo file to the database

For details about options, see Library.Cloudinary.upload_file/2