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
153
154
155
156
157
158
159

//! Types that are commone between different operations.

use std::fmt;

#[allow(clippy::trivially_copy_pass_by_ref)]
fn pretty_on(pretty_print: &bool) -> bool {
    *pretty_print
}

/// [Standard Query Parameters](https://cloud.google.com/storage/docs/json_api/v1/parameters#query)
/// can be used in almost any API request to GCS
#[derive(Serialize)]
#[serde(rename_all = "camelCase")]
pub struct StandardQueryParameters<'a> {
    /// Selector specifying a subset of fields to include in the response,
    /// the primary use of this is for better performance and lower response
    /// sizes.
    /// For more information, see the [partial response](https://cloud.google.com/storage/docs/json_api/v1/how-tos/performance#partial)
    /// documentation.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub fields: Option<&'a str>,
    /// Returns the response in a human-readable format, with indentations and
    /// line breaks, if true. Note that while the default value is `true` for
    /// GCP, this crate uses a default of `false`
    #[serde(skip_serializing_if = "pretty_on")]
    pub pretty_print: bool,
    /// Lets you enforce per-user quotas from a server-side application even
    /// in cases when the user's IP address is unknown. This can occur, for
    /// example, with applications that run cron jobs on App Engine on a
    /// user's behalf. You can choose any arbitrary string that uniquely
    /// identifies a user, but it is limited to 40 characters. Overrides
    /// `userIp` if both are provided. See more about [Capping API usage](https://cloud.google.com/apis/docs/capping-api-usage)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub quota_user: Option<&'a str>,
    /// Lets you enforce per-user quotas when calling the API from a server-side application.
    /// See more about [Capping API usage](https://cloud.google.com/apis/docs/capping-api-usage)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub user_ip: Option<&'a str>,
}

impl<'a> Default for StandardQueryParameters<'a> {
    fn default() -> Self {
        Self {
            fields: None,
            pretty_print: false,
            quota_user: None,
            user_ip: None,
        }
    }
}

/// Contains common conditionals that determite whether an operation
/// will actually proceed or not
#[derive(Default, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Conditionals {
    /// Makes the operation conditional on whether the object's current
    /// generation matches the given value. Setting to 0 makes the
    /// operation succeed only if there are no live versions of the object.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub if_generation_match: Option<i64>,
    /// Makes the operation conditional on whether the object's current
    /// generation does not match the given value. If no live object exists,
    /// the precondition fails. Setting to 0 makes the operation succeed only
    /// if there is a live version of the object.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub if_generation_not_match: Option<i64>,
    /// Makes the operation conditional on whether the object's current
    /// metageneration matches the given value.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub if_metageneration_match: Option<i64>,
    /// Makes the operation conditional on whether the object's current
    /// metageneration does not match the given value.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub if_metageneration_not_match: Option<i64>,
}

/// [Storage classes](https://cloud.google.com/storage/docs/storage-classes)
#[derive(Serialize, Deserialize, Copy, Clone, Debug, PartialEq, Eq)]
#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
pub enum StorageClass {
    /// [Multi-Regional Storage](https://cloud.google.com/storage/docs/storage-classes#multi-regional)
    /// is appropriate for storing data that is frequently accessed ("hot" objects), such as serving
    /// website content, interactive workloads, or data supporting mobile and gaming applications.
    /// Multi-Regional Storage data has the most availability compared to other storage classes.
    MultiRegional,
    /// [Regional Storage](https://cloud.google.com/storage/docs/storage-classes#regional) enables
    /// you to store data at lower cost, with the trade-off of data being stored in a specific
    /// regional location, instead of having redundancy distributed over a large geographic area.
    Regional,
    /// [Nearline Storage](https://cloud.google.com/storage/docs/storage-classes#nearline) is a
    /// low-cost, highly durable storage service for storing infrequently accessed data.
    /// Nearline Storage is a better choice than Multi-Regional Storage or Regional Storage
    /// in scenarios where slightly lower availability, a 30-day minimum storage duration,
    /// and costs for data access are acceptable trade-offs for lowered storage costs.
    Nearline,
    /// [Coldline Storage](https://cloud.google.com/storage/docs/storage-classes#coldline)
    /// is a very-low-cost, highly durable storage service for data archiving, online backup,
    /// and disaster recovery. Unlike other "cold" storage services, your data is available
    /// within milliseconds, not hours or days.
    Coldline,
    /// Users that create a bucket without specifying a default storage class see the bucket's
    /// default storage class listed as [Standard Storage](https://cloud.google.com/storage/docs/storage-classes#standard)
    /// in the API. Objects created without a storage class in such a bucket are also listed
    /// as Standard Storage in the API. Standard Storage is equivalent to Multi-Regional
    /// Storage when the associated bucket is located in a multi-regional location. Standard
    /// Storage is equivalent to Regional Storage when the associated bucket is located in a
    /// regional location.
    Standard,
    /// It is recommended that users utilize Regional Storage in place of [Durable Reduced Availability (DRA)](https://cloud.google.com/storage/docs/storage-classes#dra).
    /// Regional Storage has lower pricing for operations, but otherwise the same price structure.
    /// Regional Storage also has better performance, particularly in terms of availability
    /// (DRA has a 99% availability SLA).
    DurableReducedAvailability,
}

impl fmt::Display for StorageClass {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{:?}", self)
    }
}

/// A [predefined or "canned" ACL](https://cloud.google.com/storage/docs/access-control/lists#predefined-acl)
/// is an alias for a set of specific ACL entries that you can use to quickly apply many ACL entries at once
/// to a bucket or object. Predefined ACLs are defined for common scenarios such as revoking all access
/// permissions except for owner permission (predefined ACL private), or making an object publicly readable
/// (predefined ACL publicRead).
#[derive(Serialize, Copy, Clone, Debug, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub enum PredefinedAcl {
    /// Object owner gets OWNER access, and allAuthenticatedUsers get READER access.
    AuthenticatedRead,
    /// Object owner gets OWNER access, and project team owners get OWNER access.
    BucketOwnerFullControl,
    /// Object owner gets OWNER access, and project team owners get READER access.
    BucketOwnerRead,
    /// Object owner gets OWNER access.
    Private,
    /// Object owner gets OWNER access, and project team members get access according to their roles.
    ProjectPrivate,
    /// Object owner gets OWNER access, and allUsers get READER access.
    PublicRead,
}

/// Set of properties to return. Defaults to NoAcl.
#[derive(Serialize, Copy, Clone, Debug, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
pub enum Projection {
    /// Include all properties.
    Full,
    /// Omit the owner, acl property.
    NoAcl,
}

impl Default for Projection {
    fn default() -> Self {
        Projection::NoAcl
    }
}