Mercurial > gemma
view pkg/imports/email.go @ 2455:54c9fe587fe6
Subdivide SQL function to prepare for improved error handling
The context of an error (e.g. the function in which it occured)
can be inferred by the database client. Not doing all in one
statement will render the context more meaningful.
author | Tom Gottfried <tom@intevation.de> |
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date | Fri, 01 Mar 2019 18:38:02 +0100 |
parents | 4bac5d9cd77d |
children | 3c83d1cc0348 |
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// This is Free Software under GNU Affero General Public License v >= 3.0 // without warranty, see README.md and license for details. // // SPDX-License-Identifier: AGPL-3.0-or-later // License-Filename: LICENSES/AGPL-3.0.txt // // Copyright (C) 2018 by via donau // – Österreichische Wasserstraßen-Gesellschaft mbH // Software engineering by Intevation GmbH // // Author(s): // * Sascha L. Teichmann <sascha.teichmann@intevation.de> package imports import ( "context" "database/sql" "log" "strings" "text/template" "gemma.intevation.de/gemma/pkg/auth" "gemma.intevation.de/gemma/pkg/config" "gemma.intevation.de/gemma/pkg/misc" ) const ( selectEmailSQL = `SELECT email_address FROM users.list_users WHERE username = $1` importNotificationMailSubject = `import notification mail` ) var ( importNotificationMailTmpl = template.Must( template.New("notification").Parse(`Dear {{ .User }}, a {{ .Description }} import on server {{ .Server }} triggered this email notification. {{ if eq .State "accepted" }}The imported data were successfully integrated into the database.{{ end -}} {{ if eq .State "unchanged" }}The import has not changed any data in the database.{{ end -}} {{ if eq .State "failed" }}The import failed for some reasons.{{ end -}} {{ if eq .State "pending" }}The imported data could be integrated into the database but your final decision is needed.{{ end -}} Please follow this link to have a closer look at the details: {{ .Server }}/#/{{ if eq .State "pending" }}review{{ else }}importqueue{{ end }}/{{ .ID }} Best regards Your service team`)) ) func sendNotificationMail(user, description, state string, id int64) { config.WaitReady() ctx := context.Background() var email string if err := auth.RunAs(ctx, user, func(conn *sql.Conn) error { return conn.QueryRowContext(ctx, selectEmailSQL, user).Scan(&email) }, ); err != nil { log.Printf("error: %v\n", err) return } data := struct { User string Description string Server string State string ID int64 }{ User: user, Description: description, Server: config.ExternalURL(), State: state, ID: id, } var body strings.Builder if err := importNotificationMailTmpl.Execute(&body, &data); err != nil { log.Printf("error: %v\n", err) return } if err := misc.SendMail(email, importNotificationMailSubject, body.String()); err != nil { log.Printf("error: %v\n", err) } }