tvdb - request.go

     1  package tvdb
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  )
     7  
     8  type requestErrors struct {
     9  	InvalidFilters     ErrInvalidFilters     `json:"invalidFilters"`
    10  	InvalidLanguage    ErrInvalidLanguage    `json:"invalidLanguage"`
    11  	InvalidQueryParams ErrInvalidQueryParams `json:"invalidQueryParams"`
    12  }
    13  
    14  // ErrInvalidFilters is returned from query that use an unknown or invalid
    15  // filter
    16  type ErrInvalidFilters []string
    17  
    18  // Error satisfies the error interface
    19  func (ErrInvalidFilters) Error() string {
    20  	return "invalid filters"
    21  }
    22  
    23  // UnmarshalJSON uses the json decoding of the error to generate an error
    24  // instead of decoding
    25  func (ErrInvalidFilters) UnmarshalJSON(b []byte) error {
    26  	var e []string
    27  	if err := json.Unmarshal(b, &e); err != nil {
    28  		return fmt.Errorf("error decoding Invalid Filters error: %w", err)
    29  	} else if len(e) > 0 {
    30  		return ErrInvalidFilters(e)
    31  	}
    32  	return nil
    33  }
    34  
    35  // ErrInvalidLanguage is returned when a query requests an unknown or invalid
    36  // language
    37  type ErrInvalidLanguage string
    38  
    39  // Error satisfies the error interface
    40  func (ErrInvalidLanguage) Error() string {
    41  	return "invalid language"
    42  }
    43  
    44  // UnmarshalJSON uses the json decoding of the error to generate an error
    45  // instead of decoding
    46  func (ErrInvalidLanguage) UnmarshalJSON(b []byte) error {
    47  	var e string
    48  	if err := json.Unmarshal(b, &e); err != nil {
    49  		return fmt.Errorf("error decoding Invalid Language error: %w", err)
    50  	} else if len(e) > 0 {
    51  		return ErrInvalidLanguage(e)
    52  	}
    53  	return nil
    54  }
    55  
    56  // ErrInvalidQueryParams is returned when a query uses unknown or invalid
    57  // params
    58  type ErrInvalidQueryParams []string
    59  
    60  // Error satisfies the error interface
    61  func (ErrInvalidQueryParams) Error() string {
    62  	return "invalid query params"
    63  }
    64  
    65  // UnmarshalJSON uses the json decoding of the error to generate an error
    66  // instead of decoding
    67  func (ErrInvalidQueryParams) UnmarshalJSON(b []byte) error {
    68  	var e []string
    69  	if err := json.Unmarshal(b, &e); err != nil {
    70  		return fmt.Errorf("error decoding Invalid Query Params error: %w", err)
    71  	} else if len(e) > 0 {
    72  		return ErrInvalidQueryParams(e)
    73  	}
    74  	return nil
    75  }