github.com/dolthub/dolt/go@v0.40.5-0.20240520175717-68db7794bea6/libraries/doltcore/dconfig/date_parsing.go (about)

     1  // Copyright 2023 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package dconfig
    16  
    17  import (
    18  	"errors"
    19  	"time"
    20  )
    21  
    22  // SupportedLayouts is the set of time string formats for configuration date strings.
    23  // We are more permissive than what is documented.
    24  var SupportedLayouts = []string{
    25  	"2006/01/02",
    26  	"2006/01/02T15:04:05",
    27  	"2006/01/02T15:04:05Z07:00",
    28  
    29  	"2006.01.02",
    30  	"2006.01.02T15:04:05",
    31  	"2006.01.02T15:04:05Z07:00",
    32  
    33  	"2006-01-02",
    34  	"2006-01-02T15:04:05",
    35  	"2006-01-02T15:04:05Z07:00",
    36  }
    37  
    38  // ParseDate attempt to parse a date string into a time.Time object.
    39  func ParseDate(dateStr string) (time.Time, error) {
    40  	for _, layout := range SupportedLayouts {
    41  		t, err := time.Parse(layout, dateStr)
    42  
    43  		if err == nil {
    44  			return t, nil
    45  		}
    46  	}
    47  
    48  	return time.Time{}, errors.New("error: '" + dateStr + "' is not in a supported format.")
    49  }