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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159

use crate::{FromInstance, ID, Instance, is_default, is_one, one, SEPARATOR_INS_KEY};

/// used for query instance by id
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub struct KeyCondition {
    pub id: String,
    pub meta: String,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub key_gt: String,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub key_ge: String,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub key_lt: String,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub key_le: String,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub para: String,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub state_version: i32,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub time_ge: Option<i64>,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub time_lt: Option<i64>,
    #[serde(skip_serializing_if = "is_one")]
    #[serde(default = "one")]
    pub limit: i32,
}

impl KeyCondition {
    pub fn new(id: ID, meta: &str, para: &str, state_version: i32) -> Self {
        KeyCondition {
            id: format!("{:x}", id),
            meta: meta.to_string(),
            key_gt: "".to_string(),
            key_ge: "".to_string(),
            key_lt: "".to_string(),
            key_le: "".to_string(),
            para: para.to_string(),
            state_version,
            time_ge: None,
            time_lt: None,
            limit: 1,
        }
    }
    pub fn id_like(&self) -> String {
        let sep: &str = &*SEPARATOR_INS_KEY;
        format!("{}{}%", self.meta, sep)
    }
    pub fn para_like(&self) -> String {
        let sep: &str = &*SEPARATOR_INS_KEY;
        format!("{}{}{}{}%", self.meta, sep, self.id, sep)
    }
    pub fn get_key(&self) -> String {
        let sep: &str = &*SEPARATOR_INS_KEY;
        format!("{}{}{}{}{}", self.meta, sep, self.id, sep, self.para)
    }
}

impl From<&Instance> for KeyCondition {
    fn from(input: &Instance) -> Self {
        KeyCondition {
            id: format!("{:x}", input.id),
            meta: input.meta.to_string(),
            key_gt: "".to_string(),
            key_ge: "".to_string(),
            key_lt: "".to_string(),
            key_le: "".to_string(),
            para: input.para.to_string(),
            state_version: input.state_version,
            time_ge: None,
            time_lt: None,
            limit: 1,
        }
    }
}

impl From<&FromInstance> for KeyCondition {
    fn from(input: &FromInstance) -> Self {
        KeyCondition {
            id: format!("{:x}", input.id),
            meta: input.meta.to_string(),
            key_gt: "".to_string(),
            key_ge: "".to_string(),
            key_lt: "".to_string(),
            key_le: "".to_string(),
            para: input.para.to_string(),
            state_version: input.state_version,
            time_ge: None,
            time_lt: None,
            limit: 1,
        }
    }
}

/// used for query instance by id
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub struct IDAndFrom {
    pub id: ID,
    pub meta: String,
    pub from_key: String,
}

impl IDAndFrom {
    pub fn para_like(&self) -> String {
        format!("{}|{:x}|%", self.meta, self.id)
    }
}

/// used for query instance by id
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub struct QueryByMeta {
    pub meta: String,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub para_like: Option<String>,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub create_time_gt: Option<i64>,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub create_time_ge: Option<i64>,
    #[serde(skip_serializing_if = "is_default")]
    #[serde(default)]
    pub create_time_desc: bool,

}

#[cfg(test)]
mod test {
    use super::*;

    #[test]
    #[ignore]
    fn key_condition_test() {
        let condition = KeyCondition {
            id: "$id".to_string(),
            meta: "$meta".to_string(),
            key_gt: "".to_string(),
            key_ge: "".to_string(),
            key_lt: "".to_string(),
            key_le: "".to_string(),
            para: "".to_string(),
            state_version: 1,
            time_ge: None,
            time_lt: None,
            limit: 1,
        };
        let result = serde_json::to_string(&condition).unwrap();
        dbg!(result);
    }
}