reifydb_transaction/transaction/catalog/
view.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::interface::catalog::{
5	change::CatalogTrackViewChangeOperations,
6	id::{NamespaceId, ViewId},
7	view::ViewDef,
8};
9use reifydb_type::Result;
10
11use crate::{
12	change::{
13		Change,
14		OperationType::{Create, Delete, Update},
15		TransactionalViewChanges,
16	},
17	transaction::{admin::AdminTransaction, subscription::SubscriptionTransaction},
18};
19
20impl CatalogTrackViewChangeOperations for AdminTransaction {
21	fn track_view_def_created(&mut self, view: ViewDef) -> Result<()> {
22		let change = Change {
23			pre: None,
24			post: Some(view),
25			op: Create,
26		};
27		self.changes.add_view_def_change(change);
28		Ok(())
29	}
30
31	fn track_view_def_updated(&mut self, pre: ViewDef, post: ViewDef) -> Result<()> {
32		let change = Change {
33			pre: Some(pre),
34			post: Some(post),
35			op: Update,
36		};
37		self.changes.add_view_def_change(change);
38		Ok(())
39	}
40
41	fn track_view_def_deleted(&mut self, view: ViewDef) -> Result<()> {
42		let change = Change {
43			pre: Some(view),
44			post: None,
45			op: Delete,
46		};
47		self.changes.add_view_def_change(change);
48		Ok(())
49	}
50}
51
52impl TransactionalViewChanges for AdminTransaction {
53	fn find_view(&self, id: ViewId) -> Option<&ViewDef> {
54		for change in self.changes.view_def.iter().rev() {
55			if let Some(view) = &change.post {
56				if view.id == id {
57					return Some(view);
58				}
59			} else if let Some(view) = &change.pre {
60				if view.id == id && change.op == Delete {
61					return None;
62				}
63			}
64		}
65		None
66	}
67
68	fn find_view_by_name(&self, namespace: NamespaceId, name: &str) -> Option<&ViewDef> {
69		self.changes
70			.view_def
71			.iter()
72			.rev()
73			.find_map(|change| change.post.as_ref().filter(|v| v.namespace == namespace && v.name == name))
74	}
75
76	fn is_view_deleted(&self, id: ViewId) -> bool {
77		self.changes
78			.view_def
79			.iter()
80			.rev()
81			.any(|change| change.op == Delete && change.pre.as_ref().map(|v| v.id) == Some(id))
82	}
83
84	fn is_view_deleted_by_name(&self, namespace: NamespaceId, name: &str) -> bool {
85		self.changes.view_def.iter().rev().any(|change| {
86			change.op == Delete
87				&& change
88					.pre
89					.as_ref()
90					.map(|v| v.namespace == namespace && v.name == name)
91					.unwrap_or(false)
92		})
93	}
94}
95
96impl CatalogTrackViewChangeOperations for SubscriptionTransaction {
97	fn track_view_def_created(&mut self, view: ViewDef) -> Result<()> {
98		self.inner.track_view_def_created(view)
99	}
100
101	fn track_view_def_updated(&mut self, pre: ViewDef, post: ViewDef) -> Result<()> {
102		self.inner.track_view_def_updated(pre, post)
103	}
104
105	fn track_view_def_deleted(&mut self, view: ViewDef) -> Result<()> {
106		self.inner.track_view_def_deleted(view)
107	}
108}
109
110impl TransactionalViewChanges for SubscriptionTransaction {
111	fn find_view(&self, id: ViewId) -> Option<&ViewDef> {
112		self.inner.find_view(id)
113	}
114
115	fn find_view_by_name(&self, namespace: NamespaceId, name: &str) -> Option<&ViewDef> {
116		self.inner.find_view_by_name(namespace, name)
117	}
118
119	fn is_view_deleted(&self, id: ViewId) -> bool {
120		self.inner.is_view_deleted(id)
121	}
122
123	fn is_view_deleted_by_name(&self, namespace: NamespaceId, name: &str) -> bool {
124		self.inner.is_view_deleted_by_name(namespace, name)
125	}
126}
reifydb_transaction/transaction/catalog/view.rs

reifydb_transaction/transaction/catalog/
view.rs
