tetratto_core2/database/
polls.rs

1use oiseau::cache::Cache;
2use crate::model::posts::Poll;
3use crate::model::moderation::AuditLogEntry;
4use crate::model::{Error, Result, auth::User, permissions::FinePermission};
5use crate::model::id::Id;
6use crate::{auto_method, DataManager};
7
8use oiseau::PostgresRow;
9
10use oiseau::{execute, get, query_rows, params};
11
12impl DataManager {
13    /// Get a [`Poll`] from an SQL row.
14    pub(crate) fn get_poll_from_row(x: &PostgresRow) -> Poll {
15        Poll {
16            id: Id::deserialize(&get!(x->0(String))),
17            owner: Id::deserialize(&get!(x->1(String))),
18            created: get!(x->2(i64)) as u128,
19            expires: get!(x->3(i32)) as u128,
20            option_a: get!(x->4(String)),
21            option_b: get!(x->5(String)),
22            option_c: get!(x->6(String)),
23            option_d: get!(x->7(String)),
24            votes_a: get!(x->8(i32)) as usize,
25            votes_b: get!(x->9(i32)) as usize,
26            votes_c: get!(x->10(i32)) as usize,
27            votes_d: get!(x->11(i32)) as usize,
28        }
29    }
30
31    auto_method!(get_poll_by_id()@get_poll_from_row -> "SELECT * FROM polls WHERE id = $1" --name="poll" --returns=Poll --cache-key-tmpl="atto.poll:{}");
32
33    /// Get all polls by their owner.
34    ///
35    /// # Arguments
36    /// * `owner` - the ID of the owner of the polls
37    pub async fn get_polls_by_owner_all(&self, owner: crate::model::id::Id) -> Result<Vec<Poll>> {
38        let conn = match self.0.connect().await {
39            Ok(c) => c,
40            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
41        };
42
43        let res = query_rows!(
44            &conn,
45            "SELECT * FROM polls WHERE owner = $1 ORDER BY created DESC",
46            &[&owner.printable()],
47            |x| { Self::get_poll_from_row(x) }
48        );
49
50        if res.is_err() {
51            return Err(Error::GeneralNotFound("poll".to_string()));
52        }
53
54        Ok(res.unwrap())
55    }
56
57    /// Create a new poll in the database.
58    ///
59    /// # Arguments
60    /// * `data` - a mock [`Poll`] object to insert
61    pub async fn create_poll(&self, data: Poll) -> Result<Id> {
62        // check values
63        if data.option_a.len() < 2 {
64            return Err(Error::DataTooShort("option A".to_string()));
65        } else if data.option_a.len() > 128 {
66            return Err(Error::DataTooLong("option A".to_string()));
67        }
68
69        if data.option_b.len() < 2 {
70            return Err(Error::DataTooShort("option B".to_string()));
71        } else if data.option_b.len() > 128 {
72            return Err(Error::DataTooLong("option B".to_string()));
73        }
74
75        if data.option_c.len() > 128 {
76            return Err(Error::DataTooLong("option C".to_string()));
77        }
78
79        if data.option_d.len() > 128 {
80            return Err(Error::DataTooLong("option D".to_string()));
81        }
82
83        // ...
84        let conn = match self.0.connect().await {
85            Ok(c) => c,
86            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
87        };
88
89        let res = execute!(
90            &conn,
91            "INSERT INTO polls VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)",
92            params![
93                &data.id.printable(),
94                &data.owner.printable(),
95                &(data.created as i64),
96                &(data.expires as i32),
97                &data.option_a,
98                &data.option_b,
99                &data.option_c,
100                &data.option_d,
101                &(data.votes_a as i32),
102                &(data.votes_b as i32),
103                &(data.votes_c as i32),
104                &(data.votes_d as i32),
105            ]
106        );
107
108        if let Err(e) = res {
109            return Err(Error::DatabaseError(e.to_string()));
110        }
111
112        Ok(data.id)
113    }
114
115    pub async fn delete_poll(&self, id: &Id, user: &User) -> Result<()> {
116        let y = self.get_poll_by_id(id).await?;
117
118        if user.id != y.owner {
119            if !user.permissions.check(FinePermission::ManagePosts) {
120                return Err(Error::NotAllowed);
121            } else {
122                self.create_audit_log_entry(AuditLogEntry::new(
123                    user.id.to_owned(),
124                    format!("invoked `delete_poll` with x value `{id}`"),
125                ))
126                .await?
127            }
128        }
129        let conn = match self.0.connect().await {
130            Ok(c) => c,
131            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
132        };
133
134        let res = execute!(&conn, "DELETE FROM polls WHERE id = $1", &[&id.printable()]);
135
136        if let Err(e) = res {
137            return Err(Error::DatabaseError(e.to_string()));
138        }
139
140        self.0.1.remove(format!("atto.poll:{}", id)).await;
141
142        // remove votes
143        let res = execute!(
144            &conn,
145            "DELETE FROM pollvotes WHERE poll_id = $1",
146            &[&id.printable()]
147        );
148
149        if let Err(e) = res {
150            return Err(Error::DatabaseError(e.to_string()));
151        }
152
153        // ...
154        Ok(())
155    }
156
157    pub async fn cache_clear_poll(&self, poll: &Poll) {
158        self.0.1.remove(format!("atto.poll:{}", poll.id)).await;
159    }
160
161    auto_method!(incr_votes_a_count()@get_poll_by_id -> "UPDATE polls SET votes_a = votes_a + 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --incr);
162    auto_method!(decr_votes_a_count()@get_poll_by_id -> "UPDATE polls SET votes_a = votes_a - 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --decr=votes_a);
163
164    auto_method!(incr_votes_b_count()@get_poll_by_id -> "UPDATE polls SET votes_b = votes_b + 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --incr);
165    auto_method!(decr_votes_b_count()@get_poll_by_id -> "UPDATE polls SET votes_b = votes_b - 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --decr=votes_b);
166
167    auto_method!(incr_votes_c_count()@get_poll_by_id -> "UPDATE polls SET votes_c = votes_d + 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --incr);
168    auto_method!(decr_votes_c_count()@get_poll_by_id -> "UPDATE polls SET votes_c = votes_d - 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --decr=votes_c);
169
170    auto_method!(incr_votes_d_count()@get_poll_by_id -> "UPDATE polls SET votes_d = votes_d + 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --incr);
171    auto_method!(decr_votes_d_count()@get_poll_by_id -> "UPDATE polls SET votes_d = votes_d - 1 WHERE id = $1" --cache-key-tmpl=cache_clear_poll --decr=votes_d);
172}
tetratto_core2/database/polls.rs

tetratto_core2/database/
polls.rs
