diff options
| -rw-r--r-- | model/recipe.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/model/recipe.go b/model/recipe.go index 7aebad4..4594287 100644 --- a/model/recipe.go +++ b/model/recipe.go @@ -5,6 +5,7 @@ import ( "encoding/json" "errors" "fmt" + "strconv" ) type Recipe struct { @@ -24,10 +25,46 @@ func (r Recipe) String() string { } func (r *Recipe) Validate() error { + if r.Id != "" { + id, err := strconv.Atoi(r.Id) + if err != nil { + return fmt.Errorf("Recipe has non-empty ID which is no integer: %w", err) + } + + if id < 0 { + return fmt.Errorf("Recipes has negative ID: %d", id) + } + } + if r.Title == "" { return fmt.Errorf("Recipes must have a title") } + if r.Portions != "" { + portions, err := strconv.Atoi(r.Portions) + if err != nil { + return fmt.Errorf("Recipe has non-empty portions which is no integer: %w", err) + } + + if portions < 0 { + return fmt.Errorf("Recipes has negative number of portions: %d", portions) + } + } + + if r.Created != "" { + _, err := strconv.Atoi(r.Created) + if err != nil { + return fmt.Errorf("Recipe has non-empty time stamp 'created' which is no integer: %w", err) + } + } + + if r.LastChanged != "" { + _, err := strconv.Atoi(r.LastChanged) + if err != nil { + return fmt.Errorf("Recipe has non-empty time stamp 'last_changed' which is no integer: %w", err) + } + } + return nil } |