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

use crate::query::query_aliases::QueryAliases;
use crate::query::query_values::MultiValues;
use crate::query::query_values::QueryValues;
use crate::query::query_values::SingleValues;
use crate::query_builder::insert_aliases::InsertAliases;
use crate::query_builder::insert_edge::InsertEdges;
use crate::query_builder::insert_nodes::InsertNodes;
use crate::query_builder::insert_values::InsertValues;
use crate::query_builder::insert_values::InsertValuesIds;
use crate::DbUserValue;
use crate::InsertAliasesQuery;
use crate::InsertEdgesQuery;
use crate::InsertNodesQuery;
use crate::InsertValuesQuery;
use crate::QueryIds;

/// Insert builder for inserting various data
/// into the database.
pub struct Insert {}

impl Insert {
    /// Inserts aliases `names` into the database:
    ///
    /// Options:
    ///
    /// ```
    /// use agdb::QueryBuilder;
    ///
    /// QueryBuilder::insert().aliases("a").ids(1);
    /// QueryBuilder::insert().aliases(vec!["a", "b"]).ids(vec![1, 2]);
    /// ```
    pub fn aliases<T: Into<QueryAliases>>(self, names: T) -> InsertAliases {
        InsertAliases(InsertAliasesQuery {
            ids: QueryIds::Ids(vec![]),
            aliases: Into::<QueryAliases>::into(names).0,
        })
    }

    /// Inserts edges into the database:
    ///
    /// Options:
    ///
    /// ```
    /// use agdb::QueryBuilder;
    ///
    /// QueryBuilder::insert().edges().from(1);
    /// QueryBuilder::insert().edges().from(vec![1, 2]);
    /// QueryBuilder::insert().edges().from(QueryBuilder::search().from(1).query());
    /// ```
    pub fn edges(self) -> InsertEdges {
        InsertEdges(InsertEdgesQuery {
            from: QueryIds::Ids(vec![]),
            to: QueryIds::Ids(vec![]),
            values: QueryValues::Single(vec![]),
            each: false,
        })
    }

    /// Inserts `elem` into the database. The `elem`
    /// must implement (or derive) `DbUserValue` that will
    /// provide the `DbId` to be inserted to and conversion
    /// to the values. The ids must be `Some` and valid
    /// int the database.
    pub fn element<T: DbUserValue>(self, elem: &T) -> InsertValuesIds {
        InsertValuesIds(InsertValuesQuery {
            ids: QueryIds::Ids(vec![elem.db_id().unwrap_or_default().into()]),
            values: QueryValues::Multi(vec![elem.to_db_values()]),
        })
    }

    /// Inserts the `elems` into the database. Each `elem`
    /// must implement (or derive) `DbUserValue` that will
    /// provide the `DbId` to be inserted to and conversion
    /// to the values. The ids must be `Some` and valid
    /// int the database.
    pub fn elements<T: DbUserValue>(self, elems: &[T]) -> InsertValuesIds {
        let mut ids = vec![];
        let mut values = vec![];
        ids.reserve(elems.len());
        values.reserve(elems.len());

        elems.iter().for_each(|v| {
            ids.push(v.db_id().unwrap_or_default().into());
            values.push(v.to_db_values());
        });

        InsertValuesIds(InsertValuesQuery {
            ids: QueryIds::Ids(ids),
            values: QueryValues::Multi(values),
        })
    }

    /// Inserts nodes into the database:
    ///
    /// Options:
    ///
    /// ```
    /// use agdb::QueryBuilder;
    ///
    /// QueryBuilder::insert().nodes().count(1);
    /// QueryBuilder::insert().nodes().aliases("a");
    /// QueryBuilder::insert().nodes().aliases(vec!["a", "b"]);
    /// QueryBuilder::insert().nodes().values(vec![vec![("k", 1).into()]]);
    /// ```
    pub fn nodes(self) -> InsertNodes {
        InsertNodes(InsertNodesQuery {
            count: 0,
            values: QueryValues::Single(vec![]),
            aliases: vec![],
        })
    }

    /// Inserts or updates list of lists `key_values` into the database.
    /// Each item in the list represents a list of key-value pairs to
    /// be inserted into database elements identified by ids in the next step.
    ///
    /// Options:
    ///
    /// ```
    /// use agdb::QueryBuilder;
    ///
    /// QueryBuilder::insert().values(vec![vec![("k", 1).into()]]).ids(1);
    /// QueryBuilder::insert().values(vec![vec![("k", 1).into()], vec![("k", 2).into()]]).ids(vec![1, 2]);
    /// QueryBuilder::insert().values(vec![vec![("k", 1).into()]]).ids(QueryBuilder::search().from(1).query());
    /// ```
    pub fn values<T: Into<MultiValues>>(self, key_values: T) -> InsertValues {
        InsertValues(InsertValuesQuery {
            ids: QueryIds::Ids(vec![]),
            values: QueryValues::Multi(Into::<MultiValues>::into(key_values).0),
        })
    }

    /// Inserts or updates list of `key_values` into the database.
    /// The list represents a list of key-value pairs to be inserted
    /// into every database elements identified by ids in the next step.
    ///
    /// Options:
    ///
    /// ```
    /// use agdb::QueryBuilder;
    ///
    /// QueryBuilder::insert().values_uniform(vec![("k", 1).into()]).ids(1);
    /// QueryBuilder::insert().values_uniform(vec![("k", 1).into()]).ids(vec![1, 2]);
    /// QueryBuilder::insert().values_uniform(vec![("k", 1).into()]).ids(QueryBuilder::search().from(1).query());
    /// ```
    pub fn values_uniform<T: Into<SingleValues>>(self, key_values: T) -> InsertValues {
        InsertValues(InsertValuesQuery {
            ids: QueryIds::Ids(vec![0.into()]),
            values: QueryValues::Single(Into::<SingleValues>::into(key_values).0),
        })
    }
}