|
| 1 | +use crate::value::ValueRef; |
| 2 | +use crate::{ |
| 3 | + decode::Decode, |
| 4 | + encode::{Encode, IsNull}, |
| 5 | + error::BoxDynError, |
| 6 | + sqlite::{type_info::DataType, Sqlite, SqliteArgumentValue, SqliteTypeInfo, SqliteValueRef}, |
| 7 | + types::Type, |
| 8 | +}; |
| 9 | +use time::format_description::{well_known::Rfc3339, FormatItem}; |
| 10 | +use time::macros::format_description as fd; |
| 11 | +use time::{Date, OffsetDateTime, PrimitiveDateTime, Time}; |
| 12 | + |
| 13 | +impl Type<Sqlite> for OffsetDateTime { |
| 14 | + fn type_info() -> SqliteTypeInfo { |
| 15 | + SqliteTypeInfo(DataType::Datetime) |
| 16 | + } |
| 17 | + |
| 18 | + fn compatible(ty: &SqliteTypeInfo) -> bool { |
| 19 | + <PrimitiveDateTime as Type<Sqlite>>::compatible(ty) |
| 20 | + } |
| 21 | +} |
| 22 | + |
| 23 | +impl Type<Sqlite> for PrimitiveDateTime { |
| 24 | + fn type_info() -> SqliteTypeInfo { |
| 25 | + SqliteTypeInfo(DataType::Datetime) |
| 26 | + } |
| 27 | + |
| 28 | + fn compatible(ty: &SqliteTypeInfo) -> bool { |
| 29 | + matches!( |
| 30 | + ty.0, |
| 31 | + DataType::Datetime | DataType::Text | DataType::Int64 | DataType::Int |
| 32 | + ) |
| 33 | + } |
| 34 | +} |
| 35 | + |
| 36 | +impl Type<Sqlite> for Date { |
| 37 | + fn type_info() -> SqliteTypeInfo { |
| 38 | + SqliteTypeInfo(DataType::Date) |
| 39 | + } |
| 40 | + |
| 41 | + fn compatible(ty: &SqliteTypeInfo) -> bool { |
| 42 | + matches!(ty.0, DataType::Date | DataType::Text) |
| 43 | + } |
| 44 | +} |
| 45 | + |
| 46 | +impl Type<Sqlite> for Time { |
| 47 | + fn type_info() -> SqliteTypeInfo { |
| 48 | + SqliteTypeInfo(DataType::Time) |
| 49 | + } |
| 50 | + |
| 51 | + fn compatible(ty: &SqliteTypeInfo) -> bool { |
| 52 | + matches!(ty.0, DataType::Time | DataType::Text) |
| 53 | + } |
| 54 | +} |
| 55 | + |
| 56 | +impl Encode<'_, Sqlite> for OffsetDateTime { |
| 57 | + fn encode_by_ref(&self, buf: &mut Vec<SqliteArgumentValue<'_>>) -> IsNull { |
| 58 | + Encode::<Sqlite>::encode(self.format(&Rfc3339).unwrap(), buf) |
| 59 | + } |
| 60 | +} |
| 61 | + |
| 62 | +impl Encode<'_, Sqlite> for PrimitiveDateTime { |
| 63 | + fn encode_by_ref(&self, buf: &mut Vec<SqliteArgumentValue<'_>>) -> IsNull { |
| 64 | + let format = fd!("[year]-[month]-[day] [hour]:[minute]:[second].[subsecond]"); |
| 65 | + Encode::<Sqlite>::encode(self.format(&format).unwrap(), buf) |
| 66 | + } |
| 67 | +} |
| 68 | + |
| 69 | +impl Encode<'_, Sqlite> for Date { |
| 70 | + fn encode_by_ref(&self, buf: &mut Vec<SqliteArgumentValue<'_>>) -> IsNull { |
| 71 | + let format = fd!("[year]-[month]-[day]"); |
| 72 | + Encode::<Sqlite>::encode(self.format(&format).unwrap(), buf) |
| 73 | + } |
| 74 | +} |
| 75 | + |
| 76 | +impl Encode<'_, Sqlite> for Time { |
| 77 | + fn encode_by_ref(&self, buf: &mut Vec<SqliteArgumentValue<'_>>) -> IsNull { |
| 78 | + let format = fd!("[hour]:[minute]:[second].[subsecond]"); |
| 79 | + Encode::<Sqlite>::encode(self.format(&format).unwrap(), buf) |
| 80 | + } |
| 81 | +} |
| 82 | + |
| 83 | +impl<'r> Decode<'r, Sqlite> for OffsetDateTime { |
| 84 | + fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> { |
| 85 | + decode_offset_datetime(value) |
| 86 | + } |
| 87 | +} |
| 88 | + |
| 89 | +impl<'r> Decode<'r, Sqlite> for PrimitiveDateTime { |
| 90 | + fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> { |
| 91 | + decode_datetime(value) |
| 92 | + } |
| 93 | +} |
| 94 | + |
| 95 | +impl<'r> Decode<'r, Sqlite> for Date { |
| 96 | + fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> { |
| 97 | + Ok(Date::parse(value.text()?, &fd!("[year]-[month]-[day]"))?) |
| 98 | + } |
| 99 | +} |
| 100 | + |
| 101 | +impl<'r> Decode<'r, Sqlite> for Time { |
| 102 | + fn decode(value: SqliteValueRef<'r>) -> Result<Self, BoxDynError> { |
| 103 | + let value = value.text()?; |
| 104 | + |
| 105 | + let sqlite_time_formats = &[ |
| 106 | + fd!("[hour]:[minute]:[second].[subsecond]"), |
| 107 | + fd!("[hour]:[minute]:[second]"), |
| 108 | + fd!("[hour]:[minute]"), |
| 109 | + ]; |
| 110 | + |
| 111 | + for format in sqlite_time_formats { |
| 112 | + if let Ok(dt) = Time::parse(value, &format) { |
| 113 | + return Ok(dt); |
| 114 | + } |
| 115 | + } |
| 116 | + |
| 117 | + Err(format!("invalid time: {}", value).into()) |
| 118 | + } |
| 119 | +} |
| 120 | + |
| 121 | +fn decode_offset_datetime(value: SqliteValueRef<'_>) -> Result<OffsetDateTime, BoxDynError> { |
| 122 | + let dt = match value.type_info().0 { |
| 123 | + DataType::Text => decode_offset_datetime_from_text(value.text()?), |
| 124 | + DataType::Int | DataType::Int64 => { |
| 125 | + Some(OffsetDateTime::from_unix_timestamp(value.int64())?) |
| 126 | + } |
| 127 | + |
| 128 | + _ => None, |
| 129 | + }; |
| 130 | + |
| 131 | + if let Some(dt) = dt { |
| 132 | + Ok(dt) |
| 133 | + } else { |
| 134 | + Err(format!("invalid offset datetime: {}", value.text()?).into()) |
| 135 | + } |
| 136 | +} |
| 137 | + |
| 138 | +fn decode_offset_datetime_from_text(value: &str) -> Option<OffsetDateTime> { |
| 139 | + if let Ok(dt) = OffsetDateTime::parse(value, &Rfc3339) { |
| 140 | + return Some(dt); |
| 141 | + } |
| 142 | + |
| 143 | + if let Ok(dt) = OffsetDateTime::parse(value, formats::OFFSET_DATE_TIME) { |
| 144 | + return Some(dt); |
| 145 | + } |
| 146 | + |
| 147 | + None |
| 148 | +} |
| 149 | + |
| 150 | +fn decode_datetime(value: SqliteValueRef<'_>) -> Result<PrimitiveDateTime, BoxDynError> { |
| 151 | + let dt = match value.type_info().0 { |
| 152 | + DataType::Text => decode_datetime_from_text(value.text()?), |
| 153 | + DataType::Int | DataType::Int64 => { |
| 154 | + let parsed = OffsetDateTime::from_unix_timestamp(value.int64()).unwrap(); |
| 155 | + Some(PrimitiveDateTime::new(parsed.date(), parsed.time())) |
| 156 | + } |
| 157 | + |
| 158 | + _ => None, |
| 159 | + }; |
| 160 | + |
| 161 | + if let Some(dt) = dt { |
| 162 | + Ok(dt) |
| 163 | + } else { |
| 164 | + Err(format!("invalid datetime: {}", value.text()?).into()) |
| 165 | + } |
| 166 | +} |
| 167 | + |
| 168 | +fn decode_datetime_from_text(value: &str) -> Option<PrimitiveDateTime> { |
| 169 | + let default_format = fd!("[year]-[month]-[day] [hour]:[minute]:[second].[subsecond]"); |
| 170 | + if let Ok(dt) = PrimitiveDateTime::parse(value, &default_format) { |
| 171 | + return Some(dt); |
| 172 | + } |
| 173 | + |
| 174 | + let formats = [ |
| 175 | + FormatItem::Compound(formats::PRIMITIVE_DATE_TIME_SPACE_SEPARATED), |
| 176 | + FormatItem::Compound(formats::PRIMITIVE_DATE_TIME_T_SEPARATED), |
| 177 | + ]; |
| 178 | + |
| 179 | + if let Ok(dt) = PrimitiveDateTime::parse(value, &FormatItem::First(&formats)) { |
| 180 | + return Some(dt); |
| 181 | + } |
| 182 | + |
| 183 | + None |
| 184 | +} |
| 185 | + |
| 186 | +mod formats { |
| 187 | + use time::format_description::{modifier, Component::*, FormatItem, FormatItem::*}; |
| 188 | + |
| 189 | + const YEAR: FormatItem<'_> = Component(Year({ |
| 190 | + let mut value = modifier::Year::default(); |
| 191 | + value.padding = modifier::Padding::Zero; |
| 192 | + value.repr = modifier::YearRepr::Full; |
| 193 | + value.iso_week_based = false; |
| 194 | + value.sign_is_mandatory = false; |
| 195 | + value |
| 196 | + })); |
| 197 | + |
| 198 | + const MONTH: FormatItem<'_> = Component(Month({ |
| 199 | + let mut value = modifier::Month::default(); |
| 200 | + value.padding = modifier::Padding::Zero; |
| 201 | + value.repr = modifier::MonthRepr::Numerical; |
| 202 | + value.case_sensitive = true; |
| 203 | + value |
| 204 | + })); |
| 205 | + |
| 206 | + const DAY: FormatItem<'_> = Component(Day({ |
| 207 | + let mut value = modifier::Day::default(); |
| 208 | + value.padding = modifier::Padding::Zero; |
| 209 | + value |
| 210 | + })); |
| 211 | + |
| 212 | + const HOUR: FormatItem<'_> = Component(Hour({ |
| 213 | + let mut value = modifier::Hour::default(); |
| 214 | + value.padding = modifier::Padding::Zero; |
| 215 | + value.is_12_hour_clock = false; |
| 216 | + value |
| 217 | + })); |
| 218 | + |
| 219 | + const MINUTE: FormatItem<'_> = Component(Minute({ |
| 220 | + let mut value = modifier::Minute::default(); |
| 221 | + value.padding = modifier::Padding::Zero; |
| 222 | + value |
| 223 | + })); |
| 224 | + |
| 225 | + const SECOND: FormatItem<'_> = Component(Second({ |
| 226 | + let mut value = modifier::Second::default(); |
| 227 | + value.padding = modifier::Padding::Zero; |
| 228 | + value |
| 229 | + })); |
| 230 | + |
| 231 | + const SUBSECOND: FormatItem<'_> = Component(Subsecond({ |
| 232 | + let mut value = modifier::Subsecond::default(); |
| 233 | + value.digits = modifier::SubsecondDigits::OneOrMore; |
| 234 | + value |
| 235 | + })); |
| 236 | + |
| 237 | + const OFFSET_HOUR: FormatItem<'_> = Component(OffsetHour({ |
| 238 | + let mut value = modifier::OffsetHour::default(); |
| 239 | + value.sign_is_mandatory = true; |
| 240 | + value.padding = modifier::Padding::Zero; |
| 241 | + value |
| 242 | + })); |
| 243 | + |
| 244 | + const OFFSET_MINUTE: FormatItem<'_> = Component(OffsetMinute({ |
| 245 | + let mut value = modifier::OffsetMinute::default(); |
| 246 | + value.padding = modifier::Padding::Zero; |
| 247 | + value |
| 248 | + })); |
| 249 | + |
| 250 | + pub(super) const OFFSET_DATE_TIME: &[FormatItem<'_>] = { |
| 251 | + &[ |
| 252 | + YEAR, |
| 253 | + Literal(b"-"), |
| 254 | + MONTH, |
| 255 | + Literal(b"-"), |
| 256 | + DAY, |
| 257 | + Optional(&Literal(b" ")), |
| 258 | + Optional(&Literal(b"T")), |
| 259 | + HOUR, |
| 260 | + Literal(b":"), |
| 261 | + MINUTE, |
| 262 | + Optional(&Literal(b":")), |
| 263 | + Optional(&SECOND), |
| 264 | + Optional(&Literal(b".")), |
| 265 | + Optional(&SUBSECOND), |
| 266 | + Optional(&OFFSET_HOUR), |
| 267 | + Optional(&Literal(b":")), |
| 268 | + Optional(&OFFSET_MINUTE), |
| 269 | + ] |
| 270 | + }; |
| 271 | + |
| 272 | + pub(super) const PRIMITIVE_DATE_TIME_SPACE_SEPARATED: &[FormatItem<'_>] = { |
| 273 | + &[ |
| 274 | + YEAR, |
| 275 | + Literal(b"-"), |
| 276 | + MONTH, |
| 277 | + Literal(b"-"), |
| 278 | + DAY, |
| 279 | + Literal(b" "), |
| 280 | + HOUR, |
| 281 | + Literal(b":"), |
| 282 | + MINUTE, |
| 283 | + Optional(&Literal(b":")), |
| 284 | + Optional(&SECOND), |
| 285 | + Optional(&Literal(b".")), |
| 286 | + Optional(&SUBSECOND), |
| 287 | + Optional(&Literal(b"Z")), |
| 288 | + ] |
| 289 | + }; |
| 290 | + |
| 291 | + pub(super) const PRIMITIVE_DATE_TIME_T_SEPARATED: &[FormatItem<'_>] = { |
| 292 | + &[ |
| 293 | + YEAR, |
| 294 | + Literal(b"-"), |
| 295 | + MONTH, |
| 296 | + Literal(b"-"), |
| 297 | + DAY, |
| 298 | + Literal(b"T"), |
| 299 | + HOUR, |
| 300 | + Literal(b":"), |
| 301 | + MINUTE, |
| 302 | + Optional(&Literal(b":")), |
| 303 | + Optional(&SECOND), |
| 304 | + Optional(&Literal(b".")), |
| 305 | + Optional(&SUBSECOND), |
| 306 | + Optional(&Literal(b"Z")), |
| 307 | + ] |
| 308 | + }; |
| 309 | +} |
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