1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123

use crate::{
    client::Client,
    error::Error,
    request::{Request, TryIntoRequest},
    response::{Response, ResponseFuture},
    routing::Route,
};
use std::future::IntoFuture;
use twilight_model::{
    guild::GuildPrune,
    id::{
        marker::{GuildMarker, RoleMarker},
        Id,
    },
};
use twilight_validate::request::{guild_prune_days as validate_guild_prune_days, ValidationError};

struct GetGuildPruneCountFields<'a> {
    days: Option<u16>,
    include_roles: &'a [Id<RoleMarker>],
}

/// Get the counts of guild members to be pruned.
#[must_use = "requests must be configured and executed"]
pub struct GetGuildPruneCount<'a> {
    fields: GetGuildPruneCountFields<'a>,
    guild_id: Id<GuildMarker>,
    http: &'a Client,
}

impl<'a> GetGuildPruneCount<'a> {
    pub(crate) const fn new(http: &'a Client, guild_id: Id<GuildMarker>) -> Self {
        Self {
            fields: GetGuildPruneCountFields {
                days: None,
                include_roles: &[],
            },
            guild_id,
            http,
        }
    }

    /// Set the number of days that a user must be inactive before being
    /// able to be pruned.
    ///
    /// The number of days must be greater than 0, and less than or equal to 30.
    ///
    /// # Errors
    ///
    /// Returns an error of type [`GuildPruneDays`] if the number of days is 0
    /// or more than 30.
    ///
    /// [`GuildPruneDays`]: twilight_validate::request::ValidationErrorType::GuildPruneDays
    pub const fn days(mut self, days: u16) -> Result<Self, ValidationError> {
        #[allow(clippy::question_mark)]
        if let Err(source) = validate_guild_prune_days(days) {
            return Err(source);
        }

        self.fields.days = Some(days);

        Ok(self)
    }

    /// List of roles to include when calculating prune count
    pub const fn include_roles(mut self, roles: &'a [Id<RoleMarker>]) -> Self {
        self.fields.include_roles = roles;

        self
    }

    /// Execute the request, returning a future resolving to a [`Response`].
    #[deprecated(since = "0.14.0", note = "use `.await` or `into_future` instead")]
    pub fn exec(self) -> ResponseFuture<GuildPrune> {
        self.into_future()
    }
}

impl IntoFuture for GetGuildPruneCount<'_> {
    type Output = Result<Response<GuildPrune>, Error>;

    type IntoFuture = ResponseFuture<GuildPrune>;

    fn into_future(self) -> Self::IntoFuture {
        let http = self.http;

        match self.try_into_request() {
            Ok(request) => http.request(request),
            Err(source) => ResponseFuture::error(source),
        }
    }
}

impl TryIntoRequest for GetGuildPruneCount<'_> {
    fn try_into_request(self) -> Result<Request, Error> {
        Ok(Request::from_route(&Route::GetGuildPruneCount {
            days: self.fields.days,
            guild_id: self.guild_id.get(),
            include_roles: self.fields.include_roles,
        }))
    }
}

#[cfg(test)]
mod tests {
    use super::GetGuildPruneCount;
    use crate::Client;
    use twilight_model::id::Id;

    #[test]
    fn days() {
        fn days_valid(days: u16) -> bool {
            let client = Client::new(String::new());
            let count = GetGuildPruneCount::new(&client, Id::new(1));
            let days_result = count.days(days);
            days_result.is_ok()
        }

        assert!(!days_valid(0));
        assert!(days_valid(1));
        assert!(!days_valid(u16::max_value()));
    }
}