userlib/enums/
learning_adjustments.rs

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use serde::Deserialize;
use serde::Serialize;
use std::str;
use strum_macros::EnumString;
#[cfg(feature = "diesel")]
use {
    diesel::backend::Backend,
    diesel::deserialize::FromSql,
    diesel::pg::Pg,
    diesel::serialize::{IsNull, Output, ToSql},
    diesel::types::Varchar,
    diesel::{deserialize, not_none, serialize},
    diesel::{AsExpression, FromSqlRow},
    std::io::Write,
};

#[derive(Debug, PartialEq, Clone, Serialize, Deserialize, EnumString)]
#[cfg_attr(feature = "diesel", derive(AsExpression, FromSqlRow))]
#[cfg_attr(feature = "diesel", sql_type = "Varchar")]
pub enum LearningAdjustments {
    ChangesToLearningPrograms,
    Communication,
    ModificationToEquipment,
    SupportForPersonalCareNeeds,
    SocialSupport,
    Other,
}

#[cfg(feature = "diesel")]
impl ToSql<Varchar, Pg> for LearningAdjustments {
    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> serialize::Result {
        match *self {
            LearningAdjustments::ChangesToLearningPrograms => {
                out.write_all(b"ChangesToLearningPrograms")?
            }
            LearningAdjustments::Communication => out.write_all(b"Communication")?,
            LearningAdjustments::ModificationToEquipment => {
                out.write_all(b"ModificationToEquipment")?
            }
            LearningAdjustments::SupportForPersonalCareNeeds => {
                out.write_all(b"SupportForPersonalCareNeeds")?
            }
            LearningAdjustments::SocialSupport => out.write_all(b"SocialSupport")?,
            LearningAdjustments::Other => out.write_all(b"Other")?,
        }
        Ok(IsNull::No)
    }
}

#[cfg(feature = "diesel")]
impl FromSql<Varchar, Pg> for LearningAdjustments {
    fn from_sql(bytes: Option<&<Pg as Backend>::RawValue>) -> deserialize::Result<Self> {
        match not_none!(bytes) {
            b"ChangesToLearningPrograms" => Ok(LearningAdjustments::ChangesToLearningPrograms),
            b"Communication" => Ok(LearningAdjustments::Communication),
            b"ModificationToEquipment" => Ok(LearningAdjustments::ModificationToEquipment),
            b"SupportForPersonalCareNeeds" => Ok(LearningAdjustments::SupportForPersonalCareNeeds),
            b"SocialSupport" => Ok(LearningAdjustments::SocialSupport),
            b"Other" => Ok(LearningAdjustments::Other),
            _ => Err("Unrecognized enum variant".into()),
        }
    }
}