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11b0a20d7d
* Implement KVCompareAndDelete and KVCompareAndDeleteJSON * Add tests for KVCompareAndDelete * Update minimum server version * Handle nil value on CompareAndSet so that it deletes it * Fix comments * Tweaks from PR comments * Go back to deleted, err
45 lines
2.0 KiB
Go
45 lines
2.0 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package plugin
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import "github.com/mattermost/mattermost-server/model"
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type Helpers interface {
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// EnsureBot either returns an existing bot user matching the given bot, or creates a bot user from the given bot.
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// Returns the id of the resulting bot.
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EnsureBot(bot *model.Bot) (string, error)
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// KVSetJSON stores a key-value pair, unique per plugin, marshalling the given value as a JSON string.
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KVSetJSON(key string, value interface{}) error
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// KVCompareAndSetJSON updates a key-value pair, unique per plugin, but only if the current value matches the given oldValue after marshalling as a JSON string.
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// Inserts a new key if oldValue == nil.
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// Returns (false, err) if DB error occurred
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// Returns (false, nil) if current value != oldValue or key already exists when inserting
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// Returns (true, nil) if current value == oldValue or new key is inserted
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//
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// Minimum server version: 5.12
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KVCompareAndSetJSON(key string, oldValue interface{}, newValue interface{}) (bool, error)
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// KVCompareAndDeleteJSON deletes a key-value pair, unique per plugin, but only if the current value matches the given oldValue after marshalling as a JSON string.
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// Returns (false, err) if DB error occurred
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// Returns (false, nil) if current value != oldValue or the key was already deleted
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// Returns (true, nil) if current value == oldValue
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//
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// Minimum server version: 5.16
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KVCompareAndDeleteJSON(key string, oldValue interface{}) (bool, error)
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// KVGetJSON retrieves a value based on the key, unique per plugin, unmarshalling the previously set JSON string into the given value. Returns true if the key exists.
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KVGetJSON(key string, value interface{}) (bool, error)
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// KVSetWithExpiryJSON stores a key-value pair with an expiry time, unique per plugin, marshalling the given value as a JSON string.
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//
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// Minimum server version: 5.6
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KVSetWithExpiryJSON(key string, value interface{}, expireInSeconds int64) error
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}
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type HelpersImpl struct {
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API API
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}
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