70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
package models
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// Create is the implementation to create a list item
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func (i *ListItem) Create(doer *User, lID int64) (err error) {
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i.ListID = lID
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i.ID = 0
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return createOrUpdateListItem(i, doer, lID)
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}
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// Update updates a list item
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func (i *ListItem) Update(ID int64, doer *User) (err error) {
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i.ID = ID
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// Get the full item
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fullItem, err := GetListItemByID(ID)
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if err != nil {
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return
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}
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return createOrUpdateListItem(i, doer, fullItem.ListID)
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}
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// Helper function for creation or updating of new lists as both methods share most of their logic
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func createOrUpdateListItem(i *ListItem, doer *User, lID int64) (err error) {
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// Check rights
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user, err := listItemPreCheck(i, doer, lID)
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if err != nil {
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return
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}
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// Check if we have at least a text
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if i.Text == "" {
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return ErrListItemCannotBeEmpty{}
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}
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// Do the update
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if i.ID != 0 {
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_, err = x.ID(i.ID).Update(i)
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} else {
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i.CreatedByID = user.ID
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i.CreatedBy = user
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_, err = x.Insert(i)
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}
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return
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}
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// This helper function checks if the user has the right to edit a list item.
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// It is used in Create/Update/Delete.
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func listItemPreCheck(i *ListItem, doer *User, lID int64) (user User, err error) {
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// Check rights
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user, _, err = GetUserByID(doer.ID)
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if err != nil {
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return
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}
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// Get the list to check if the user has the right to write to that list
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list, err := GetListByID(lID) // TODO: Get the list with one query by item ID
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if err != nil {
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return
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}
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if !list.CanWrite(&user) {
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return user, ErrNeedToBeListWriter{ListID: i.ListID, UserID: user.ID}
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}
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return
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}
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