Execute the message template, rendering it into a Message.
(data TemplateData)
| 212 | |
| 213 | // Execute the message template, rendering it into a Message. |
| 214 | func (m Template) Execute(data TemplateData) (*Message, error) { |
| 215 | var buf bytes.Buffer |
| 216 | out := Message{ |
| 217 | TemplateName: m.Name, |
| 218 | RecipientName: data.Receiver().GetName(), |
| 219 | RecipientAddress: data.Receiver().GetPrimaryEmailAddress(), |
| 220 | } |
| 221 | |
| 222 | err := m.SubjectTemplate.Execute(&buf, data) |
| 223 | if err != nil { |
| 224 | return nil, fmt.Errorf("failed to execute subject template: %w", err) |
| 225 | } |
| 226 | out.Subject = strings.TrimSpace(buf.String()) |
| 227 | |
| 228 | if m.HTMLTemplate != nil { |
| 229 | buf.Reset() |
| 230 | err = m.HTMLTemplate.Execute(&buf, data) |
| 231 | if err != nil { |
| 232 | return nil, fmt.Errorf("failed to execute HTML template: %w", err) |
| 233 | } |
| 234 | out.HTMLBody = buf.String() |
| 235 | } |
| 236 | |
| 237 | if m.TextTemplate != nil { |
| 238 | buf.Reset() |
| 239 | err = m.TextTemplate.Execute(&buf, data) |
| 240 | if err != nil { |
| 241 | return nil, fmt.Errorf("failed to execute text template: %w", err) |
| 242 | } |
| 243 | out.TextBody = buf.String() |
| 244 | } |
| 245 | |
| 246 | if out.TextBody == "" && out.HTMLBody != "" { |
| 247 | out.TextBody, err = html2text.FromString(out.HTMLBody, html2text.Options{PrettyTables: true}) |
| 248 | if err != nil { |
| 249 | return nil, fmt.Errorf("failed to convert HTML to text: %w", err) |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | return &out, nil |
| 254 | } |