awto 0.1.2

Awtomate your 🦀 microservices with awto
Documentation 
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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178

use std::{
    fmt::{self, Debug},
    str,
};

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub enum ProtobufType {
    Double,
    Float,
    Int32,
    Int64,
    Uint32,
    Uint64,
    Sint32,
    Sint64,
    Fixed32,
    Fixed64,
    Sfixed32,
    Sfixed64,
    Bool,
    String,
    Bytes,
    Repeated(Box<ProtobufType>),
    Timestamp,
    Custom(ProtobufMessage),
}

pub struct ProtobufTypeFromStrError;

impl str::FromStr for ProtobufType {
    type Err = ProtobufTypeFromStrError;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        if let Some(inner) = s.strip_prefix("repeated ") {
            return Ok(Self::Repeated(Box::new(inner.parse()?)));
        }
        let protobuf_type = match s {
            "double" => Self::Double,
            "float" => Self::Float,
            "int32" => Self::Int32,
            "int64" => Self::Int64,
            "uint32" => Self::Uint32,
            "uint64" => Self::Uint64,
            "sint32" => Self::Sint32,
            "sint64" => Self::Sint64,
            "fixed32" => Self::Fixed32,
            "fixed64" => Self::Fixed64,
            "sfixed32" => Self::Sfixed32,
            "sfixed64" => Self::Sfixed64,
            "bool" => Self::Bool,
            "String" => Self::String,
            "bytes" => Self::Bytes,
            "google.protobuf.Timestamp" => Self::Timestamp,
            _ => return Err(ProtobufTypeFromStrError),
        };
        Ok(protobuf_type)
    }
}

impl fmt::Display for ProtobufType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Self::Double => write!(f, "double"),
            Self::Float => write!(f, "float"),
            Self::Int32 => write!(f, "int32"),
            Self::Int64 => write!(f, "int64"),
            Self::Uint32 => write!(f, "uint32"),
            Self::Uint64 => write!(f, "uint64"),
            Self::Sint32 => write!(f, "sint32"),
            Self::Sint64 => write!(f, "sint64"),
            Self::Fixed32 => write!(f, "fixed32"),
            Self::Fixed64 => write!(f, "fixed64"),
            Self::Sfixed32 => write!(f, "sfixed32"),
            Self::Sfixed64 => write!(f, "sfixed64"),
            Self::Bool => write!(f, "bool"),
            Self::String => write!(f, "string"),
            Self::Bytes => write!(f, "bytes"),
            Self::Repeated(inner) => write!(f, "repeated {}", inner),
            Self::Timestamp => write!(f, "google.protobuf.Timestamp"),
            Self::Custom(inner) => write!(f, "{}", inner.name),
        }
    }
}

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct ProtobufField {
    pub name: String,
    pub ty: ProtobufType,
    pub required: bool,
}

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct ProtobufMethod {
    pub is_async: bool,
    pub name: String,
    pub param: ProtobufMessage,
    pub returns: ProtobufMessage,
    pub returns_result: bool,
}

pub trait IntoProtobufService {
    fn protobuf_service() -> ProtobufService;
}

pub trait IntoProtobufMessage {
    fn protobuf_message() -> ProtobufMessage;
}

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct ProtobufSchema {
    pub name: String,
    pub fields: Vec<ProtobufField>,
    pub generated_code: Option<String>,
}

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct ProtobufMessage {
    pub name: String,
    pub fields: Vec<ProtobufField>,
}

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct ProtobufService {
    pub methods: Vec<ProtobufMethod>,
    pub module_path: String,
    pub name: String,
}

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

    #[test]
    fn message_name() {
        assert_eq!(Product::protobuf_message().name, "Product");
    }

    #[test]
    fn columns() {
        let fields = Product::protobuf_message().fields;

        let expected = vec![
            ProtobufField {
                name: "id".to_string(),
                ty: ProtobufType::String,
                required: true,
            },
            ProtobufField {
                name: "created_at".to_string(),
                ty: ProtobufType::Timestamp,
                required: true,
            },
            ProtobufField {
                name: "updated_at".to_string(),
                ty: ProtobufType::Timestamp,
                required: true,
            },
            ProtobufField {
                name: "name".to_string(),
                ty: ProtobufType::String,
                required: true,
            },
            ProtobufField {
                name: "price".to_string(),
                ty: ProtobufType::Int64,
                required: true,
            },
            ProtobufField {
                name: "description".to_string(),
                ty: ProtobufType::String,
                required: false,
            },
        ];
        assert_eq!(fields, expected);
    }
}