merchant

Merchant backend to process payments, run by merchants
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patch-private-webhooks-WEBHOOK_ID.h (8172B)


      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2014-2026 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it under the
      6   terms of the GNU Lesser General Public License as published by the Free Software
      7   Foundation; either version 2.1, or (at your option) any later version.
      8 
      9   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
     10   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11   A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
     12 
     13   You should have received a copy of the GNU Lesser General Public License along with
     14   TALER; see the file COPYING.LGPL.  If not, see
     15   <http://www.gnu.org/licenses/>
     16 */
     17 /**
     18  * @file src/include/taler/merchant/patch-private-webhooks-WEBHOOK_ID.h
     19  * @brief C interface for PATCH /private/webhooks/$WEBHOOK_ID
     20  * @author Christian Grothoff
     21  */
     22 #ifndef _TALER_MERCHANT__PATCH_PRIVATE_WEBHOOKS_WEBHOOK_ID_H
     23 #define _TALER_MERCHANT__PATCH_PRIVATE_WEBHOOKS_WEBHOOK_ID_H
     24 
     25 #include <taler/merchant/common.h>
     26 
     27 
     28 /**
     29  * Possible options we can set for the PATCH /private/webhooks/$WEBHOOK_ID request.
     30  */
     31 enum TALER_MERCHANT_PatchPrivateWebhookOption
     32 {
     33   /**
     34    * End of list of options.
     35    */
     36   TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_END = 0,
     37 
     38   /**
     39    * Set the header template.
     40    */
     41   TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_HEADER_TEMPLATE,
     42 
     43   /**
     44    * Set the body template.
     45    */
     46   TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_BODY_TEMPLATE
     47 
     48 };
     49 
     50 
     51 /**
     52  * Value for an option for the PATCH /private/webhooks/$WEBHOOK_ID request.
     53  */
     54 struct TALER_MERCHANT_PatchPrivateWebhookOptionValue
     55 {
     56 
     57   /**
     58    * Type of the option being set.
     59    */
     60   enum TALER_MERCHANT_PatchPrivateWebhookOption option;
     61 
     62   /**
     63    * Specific option value.
     64    */
     65   union
     66   {
     67 
     68     /**
     69      * Value if @e option is
     70      * #TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_HEADER_TEMPLATE.
     71      */
     72     const char *header_template;
     73 
     74     /**
     75      * Value if @e option is
     76      * #TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_BODY_TEMPLATE.
     77      */
     78     const char *body_template;
     79 
     80   } details;
     81 
     82 };
     83 
     84 
     85 /**
     86  * Handle for a PATCH /private/webhooks/$WEBHOOK_ID operation.
     87  */
     88 struct TALER_MERCHANT_PatchPrivateWebhookHandle;
     89 
     90 
     91 /**
     92  * Set up PATCH /private/webhooks/$WEBHOOK_ID operation.
     93  * Note that you must explicitly start the operation after
     94  * possibly setting options.
     95  *
     96  * @param ctx the context
     97  * @param url base URL of the merchant backend
     98  * @param webhook_id identifier of the webhook to update
     99  * @param event_type new event type
    100  * @param url_template new notification URL template
    101  * @param http_method new HTTP method
    102  * @return handle to operation, NULL on error
    103  */
    104 struct TALER_MERCHANT_PatchPrivateWebhookHandle *
    105 TALER_MERCHANT_patch_private_webhook_create (
    106   struct GNUNET_CURL_Context *ctx,
    107   const char *url,
    108   const char *webhook_id,
    109   const char *event_type,
    110   const char *url_template,
    111   const char *http_method);
    112 
    113 
    114 /**
    115  * Terminate the list of the options.
    116  *
    117  * @return the terminating object of struct TALER_MERCHANT_PatchPrivateWebhookOptionValue
    118  */
    119 #define TALER_MERCHANT_patch_private_webhook_option_end_()                \
    120         (const struct TALER_MERCHANT_PatchPrivateWebhookOptionValue)       \
    121         {                                                                  \
    122           .option = TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_END       \
    123         }
    124 
    125 /**
    126  * Set header template.
    127  *
    128  * @param ht header template string to set
    129  * @return representation of the option as a struct TALER_MERCHANT_PatchPrivateWebhookOptionValue
    130  */
    131 #define TALER_MERCHANT_patch_private_webhook_option_header_template(ht)            \
    132         (const struct TALER_MERCHANT_PatchPrivateWebhookOptionValue)                \
    133         {                                                                           \
    134           .option = \
    135             TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_HEADER_TEMPLATE,    \
    136           .details.header_template = (ht)                                           \
    137         }
    138 
    139 /**
    140  * Set body template.
    141  *
    142  * @param bt body template string to set
    143  * @return representation of the option as a struct TALER_MERCHANT_PatchPrivateWebhookOptionValue
    144  */
    145 #define TALER_MERCHANT_patch_private_webhook_option_body_template(bt)              \
    146         (const struct TALER_MERCHANT_PatchPrivateWebhookOptionValue)                \
    147         {                                                                           \
    148           .option = \
    149             TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_OPTION_BODY_TEMPLATE,      \
    150           .details.body_template = (bt)                                             \
    151         }
    152 
    153 
    154 /**
    155  * Set the requested options for the operation.
    156  *
    157  * If any option fail other options may be or may be not applied.
    158  *
    159  * @param wph the request to set the options for
    160  * @param num_options length of the @a options array
    161  * @param options an array of options
    162  * @return #GNUNET_OK on success,
    163  *         #GNUNET_NO on failure,
    164  *         #GNUNET_SYSERR on internal error
    165  */
    166 enum GNUNET_GenericReturnValue
    167 TALER_MERCHANT_patch_private_webhook_set_options_ (
    168   struct TALER_MERCHANT_PatchPrivateWebhookHandle *wph,
    169   unsigned int num_options,
    170   const struct TALER_MERCHANT_PatchPrivateWebhookOptionValue *options);
    171 
    172 
    173 /**
    174  * Set the requested options for the operation.
    175  *
    176  * If any option fail other options may be or may be not applied.
    177  *
    178  * It should be used with helpers that create required options, for example:
    179  *
    180  * TALER_MERCHANT_patch_private_webhook_set_options (
    181  *   wph,
    182  *   TALER_MERCHANT_patch_private_webhook_option_header_template (
    183  *     "Content-Type: application/json"));
    184  *
    185  * @param wph the request to set the options for
    186  * @param ... the list of the options, each option must be created
    187  *            by helpers TALER_MERCHANT_patch_private_webhook_option_NAME(VALUE)
    188  * @return #GNUNET_OK on success,
    189  *         #GNUNET_NO on failure,
    190  *         #GNUNET_SYSERR on internal error
    191  */
    192 #define TALER_MERCHANT_patch_private_webhook_set_options(wph,...)                \
    193         TALER_MERCHANT_patch_private_webhook_set_options_ (                       \
    194           wph,                                                                    \
    195           TALER_MERCHANT_COMMON_OPTIONS_ARRAY_MAX_SIZE,                          \
    196           ((const struct TALER_MERCHANT_PatchPrivateWebhookOptionValue[])         \
    197            {__VA_ARGS__, TALER_MERCHANT_patch_private_webhook_option_end_ () }   \
    198           ))
    199 
    200 
    201 /**
    202  * Response details for a PATCH /private/webhooks/$WEBHOOK_ID request.
    203  */
    204 struct TALER_MERCHANT_PatchPrivateWebhookResponse
    205 {
    206   /**
    207    * HTTP response details.
    208    */
    209   struct TALER_MERCHANT_HttpResponse hr;
    210 };
    211 
    212 
    213 #ifndef TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_RESULT_CLOSURE
    214 /**
    215  * Type of the closure used by
    216  * the #TALER_MERCHANT_PatchPrivateWebhookCallback.
    217  */
    218 #define TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_RESULT_CLOSURE void
    219 #endif /* TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_RESULT_CLOSURE */
    220 
    221 /**
    222  * Callback for a PATCH /private/webhooks/$WEBHOOK_ID request.
    223  *
    224  * @param cls closure
    225  * @param result response details
    226  */
    227 typedef void
    228 (*TALER_MERCHANT_PatchPrivateWebhookCallback)(
    229   TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_RESULT_CLOSURE *cls,
    230   const struct TALER_MERCHANT_PatchPrivateWebhookResponse *result);
    231 
    232 
    233 /**
    234  * Start PATCH /private/webhooks/$WEBHOOK_ID operation.
    235  *
    236  * @param[in,out] handle operation to start
    237  * @param cb function to call with the result
    238  * @param cb_cls closure for @a cb
    239  * @return status code, #TALER_EC_NONE on success
    240  */
    241 enum TALER_ErrorCode
    242 TALER_MERCHANT_patch_private_webhook_start (
    243   struct TALER_MERCHANT_PatchPrivateWebhookHandle *handle,
    244   TALER_MERCHANT_PatchPrivateWebhookCallback cb,
    245   TALER_MERCHANT_PATCH_PRIVATE_WEBHOOK_RESULT_CLOSURE *cb_cls);
    246 
    247 
    248 /**
    249  * Cancel PATCH /private/webhooks/$WEBHOOK_ID operation.
    250  * This function must not be called by clients after the
    251  * callback has been invoked.
    252  *
    253  * @param[in] handle operation to cancel
    254  */
    255 void
    256 TALER_MERCHANT_patch_private_webhook_cancel (
    257   struct TALER_MERCHANT_PatchPrivateWebhookHandle *handle);
    258 
    259 
    260 #endif /* _TALER_MERCHANT__PATCH_PRIVATE_WEBHOOKS_WEBHOOK_ID_H */